Download Science Final Revision Sheet - Royal International Language Schools

Part 1
Name: …………………….
Class: ……………………..
Subjects: Unit 1 & 2
‫مدارس رويال الدولية للغات‬
Prim (6) Science
Final Revision Sheet
(Part 1)
Q1: Write the scientific term:
1. The simple machine that acts as an effort saving.
[……..…………………]
2. A rigid bar, straight or curved, rotates on a fixed point, and is affected by a force and
resistance.
[…………………………]
3. The fixed point on which a rigid bar rotates.
[…………………………]
4. Levers that have the fixed point between the force and resistance.
[…………………………]
5. Levers that have the force between the resistance and fixed point.
[…………………………]
6. Levers that have the resistance between the force and fixed point.
[…………………………]
7. Force x its arm = Resistance x its arm.
[…………………………]
8. The distance between the effort force and the fulcrum.
[…………………………]
9. The distance between the resistance and the fulcrum.
[…………………………]
10. The measuring unit of the effort force and resistance.
[…………………………]
11. The measuring unit of effort arm and resistance arm.
[…………………………]
12. A way in which the light bulbs are connected one after another and the light intensity
decreases by increasing number of bulbs.
[…………………………]
13. Means of converting electric energy to the light energy.
[…………………………]
14. The flow of electric charges through material conducting electricity.
[…………………………]
15. A coiled thin wire made from tungsten.
[…………………………]
16. An inactive gas used in electric lamps to protect the filament from burning.[………………………]
17. A type of electric lamps used in commercial stores and advertisements. […………………………]
18. A closed path where an electric current pass making a complete cycle. […………………………]
19. The way where the bulbs are connected by branching routes and the lightening of the lamps is
not affected with the increase in their number.
[…………………………]
20. A way of connecting electric lamps, in which light intensity decreases with increasing in their
numbers.
[…………………………]
21. The materials that allow the electricity to flow through them.
[…………………………]
22. The materials that don't allow electricity to flow through.
[…………………………]
23. They occur as a result of increasing the temperature of electric machines.[…………………………]
24. It's a danger of electricity that occurs due to passing of electric current in human body.
[…………………………]
25. A type of harms resulting from electricity and causes damage to body tissues.[….…………………]
26. It's used in putting out electric fires.
[…………………………]
Prim6_Sci_2nd Term _ Final Revision_2016
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Q2: Complete:
1- A simple machine that is composed of a bar and makes job done easier is called……………….
2- The lever is a …………..that rotates around a fixed point called ………………and is affected by
……………………..and…………………….
3- Levers make the job easier to do through………….….…………….…..and……..…..…………..…….
4- Among functions of lever is to avoid……………………… as in……………………
5- Tweezers are used in picking up………………………objects
6- The Hockey increases the…………..…. of the ball, while manual broom is used to increase
……………….of the force and move it from one place to another.
7- In first class levers, the …………………lies between……………….and effort force.
8- The crow bar is considered a ….………… class lever, while ……………..is third class lever.
9- Nutcracker is a …………......lever, while the pliers is a……………….lever.
10- …………..is an example of the first class levers, while…………….… is a second class lever.
11- Scissors and seesaw swing are ……………………class………………
12- Some levers save …………..through using small force to move a big load as in the crowbar.
13- The second class levers always save effort because the force arm is …………than the
resistance arm.
14- If the arm of force is longer than the arm of resistance, then the force is ………………… than
the resistance.
15- ……………….class levers always save effort, while ……………..class levers never save.
16- If the resistance arm is shorter than the force arm, then the value of resistance is
……………….than the effort force.
17- There is a conservation of effort for the first class levers if the………...……….. is longer than
the ………………..
18- The first class levers save effort when the value of resistance is ………………..than the value
of the exerted force.
19- The law of levers state that the product of force × its arm =.……………….…………….
20- The type of the levers where the arm of the force and the arm of resistance are equal
is……………………
21- Some types of electric lamps are………………..….and ……………..…….…..
22- The base of the light bulb can be either …………………….or ………………….
23- The filament of the light bulb is made of………….……..and its melting point is …………..….
24- ………………………….was the first scientist who made the electric lamp.
25- The glass bulb protects the filament against burning by preventing …………from reaching
the filament.
26- The electric bulb consists of a filament, ……………..……..and………………….
27- The fluorescent lamp consists of two filaments, …………………and……………………….
28- A group of electric lamps can be connected either in………………………. or in…………………….
29- The electric current has only one path when the electric lamps are connected in ………………
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30- In …………………..connection the electric current has a branching route for electric current to
pass through.
31- A disconnected lamp will not affect the rest of the lamps if they are connected in………………
32- .................is a good conductor of electricity, while wood is a…………conductor of electricity.
33- The electric shock resulting from misusing electricity is a ……………….type of injury.
34- The damages resulted from electric shock depend on the ………………………..passing through
the body and ……………………...
35- A person injured by electric shock can be isolated from electric shock by
either……………………the electric circuit or pushing him with a ……………………….
Q3: Choose the correct answer:
1. Levers were first described by…………….
a. Edison
b. Archimedes
c. Al-hassn Ibn Al-haitham
2. One of the following is a second class lever………..
a. Sweet holder
b. wheel barrow
c. seesaw swing.
3. The ………………….is used to avoid danger.
a. Coal holder
b. scissors
c. manual broom
4. One of the following levers transfer force from one place to another…………
a. Manual broom
b. nutcracker
c. wheelbarrow
5. The …………………….has the force between resistance and fulcrum.
a. Nutcracker
b. tweezers
seesaw swing
6. First class levers different from second class levers in…………….
a. Absence of force
b. presence of fulcrum
c. position of the fulcrum
7. The force is between the resistance and fulcrum in……
a. Nutcracker
b. scissors
c. sweet holder
8. All of the following levers are third class levers except…………….
a. Wheel barrow
b. fishing rod
c. sweet holder
9. ………..is considered from third class levers.
a. Fish hook
b. see-saw
c. nutcracker
10. In ………… class levers, the resistance lies between fulcrum and effort force.
a. First
Prim6_Sci_2nd Term _ Final Revision_2016
b. Second
c. Third
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11. The effort lies between fulcrum and resistance in ……………..class levers
a. First
b. Second
c. Third
12. The force and the resistance are equal in some levers of…………………
a. First
b. Second
c. Third
13. If the ratio of force arm and resistance arm = 5:2, then the ration between force and
resistance = …………………….
a. 5:2
b. 2:5
c. 5:5
14. If the force arm equals half the resistance arm, then the effort force equals……….the
resistance force.
a. half
b. double
c. third
15. one of the following gases is found in the fluorescent lamp but not in the electric bulb..
a. neon
b. Argon
c. mercury vapor
16. Fluorescent lamps contains argon gas and a little of ………………………..
a. Hydrogen gas
b. mercury vapor
c. atmospheric air.
17. The fluorescent lamp is covered from inside with ………………………..substance.
a. golden
b. phosphoric
c. oily
18. Connecting in………………..is the best way to connect electric lamps and electric devices.
a. Series
b. parallel
c. series and parallel
19. When disconnecting an electric lamp from a series connection, the rest of the lamps…………
a. Stay lighting
b. turn off
c. make a spark.
20. Electric fires are not put out by water because water is a/an……………
a. Electric insulator
b. electric conductor
c. heat conductor
21. Electric burns cause damage to ……………………
a. Furniture
b. body tissues
c. clothes
22. When increasing the number of lamps in a series connection, the light intensity………
a. Increases
Prim6_Sci_2nd Term _ Final Revision_2016
b. decreases
c. stay unchanged.
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Q4: Put (True) or (False):
1- If the force is smaller than the resistance, then the lever conserves the effort. [………….]
2- First class levers always save effort.
[………….]
3- A lever saves effort if a small effort is exerted to move a big load.
[………….]
4- If the force arm is shorter than the resistance arm, then the force is less than resistance.
[………….]
5- If the resistance arm is longer than the effort arm, so the lever saves effort. [………….]
6- Third class levers sometimes save effort.
[………….]
7- The electric lamp converts the electric energy to the kinetic energy.
[………….]
8- The filament of the light bulb is made of carbon.
[………….]
9- The swelling of a light bulb contains oxygen gas.
[………….]
10- The spiral base of the electric lamp glows due to passing of electric current through it.[………]
11- The light bulb contains argon gas, while fluorescent lamps contain hydrogen gas.
[……..…..]
12- While connecting the lamps in parallel, the lamps are connected one after another. [………….]
13- There are two connecting points at each end of the light bulb ends.
[………….]
14- Florescent lamps are called neon lamps because it contains neon gas.
[………….]
15- Tungsten has a low melting point and it's a good conductor of electricity.
[………….]
16- The electric lamps are connected in the house in series.
[………….]
17- The electric lamp contains hydrogen gas.
[………….]
18- Electric insulators allow electric current to pass through.
[………….]
19- Among dangers of electricity are fires, electric shock and burns.
[………….]
20- Electric fires happen when electric current passes through human body.
[………….]
21- Electric shock happens when heat passes through human body.
[………….]
22- It's not advisable to have an automatic switch in houses.
[………….]
23- Anti-thermal glass is from electric conductor substances.
[………….]
24- The handles of the electric tools are made of copper.
[………….]
25- Tungsten is a good conductor of electricity but glass is a bad conductor of electricity.[………….]
26- The electric current doesn't pass in an open electric circuit.
[………….]
27- Fires resulted from lamps are put out using water.
[………….]
28- A piece of plastic is placed in the electric socket to prevent inserting anything inside it. [……….]
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Q5: Correct the underlined words:
1- The crowbar is used to increase speed.
[……………………]
2- The manual broom works on increasing force.
[……………………]
3- The crowbar works on increasing speed.
[……………………]
4- Wheel barrow is a third class lever.
[……………………]
5- Two-pan balance is a second class lever.
[……………………]
6- The bottle opener is a third class lever.
[……………………]
7- In third class lever the resistance lies between fulcrum and effort force.[……………………]
8- Third class levers are the most popular levers used in our daily life.
[……………………]
9- Scissors and pliers are examples of third class levers.
[……………………]
10- A lever must have force, resistance and load.
[……………………]
11- First class levers always save effort.
[……………..…….]
12- Second class levers don’t save effort.
[……………………]
13- The force arm is always longer than resistance arm in first class levers. [……………………]
14- The distance between fulcrum and effort force is called the arm of lever.[……………………]
15- Some of the second class levers save effort.
[……………………]
16- First class levers never conserve effort.
[……………………]
17- There is/are two points of connection from inside on both tips of the lamp.[……………………]
18- There are two tungsten filaments at each end of the fluorescent lamp. [……………………]
19- Electric lamps change electric energy into chemical energy.
[……………………]
20- There are one kind of bases for electric bulbs.
[……………………]
21- The glass bulb of electric lamp contains an active gas.
[……………………]
22- Fluorescent lamps contain neon gas.
[……………………]
23- Simple electric circuit consists of battery, lamp and an insulator to connect the batter with the
lamp.
[…………………….]
24- The electric circuit is opened when all components are connected together. [……….………….]
25- The filament in electric lamps is made from copper.
[……………………]
26- Human body is a good conductor of electricity as it contains gases.
[……………………]
27- Lamps in commercial stores are connected in series.
[……………………]
28- When connecting several lamps in series the light intensity increases. [……………………]
29- If one lamp is broken in the house, the rest of the lamps turn off.
Prim6_Sci_2nd Term _ Final Revision_2016
[……………………]
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30- Electric fires occur when electricity passes through human body.
[……………………]
31- Fires happen as a result of temperate decrease of electric devices.
[……………………]
32- The human body is a bad conductor of electricity.
[……………………]
33- The cables of transmitting electric current from power stations to houses are covered by
aluminum.
[……………………]
Q6: Give reason:
1- Third class lever don’t save effort.
………………………………………………………………………………………………………………………………
2- In the 2nd class lever the force is always less than the resistance.
………………………………………………………………………………………………………………………………
3- The presence of two pieces of lead in the electric lamp.
………………………………………………………………………………………………………………………………
4- The filament of the light bulb is made of tungsten.
………………………………………………………………………………………………………………………………
5- The presence of inert gas inside the light bulb
………………………………………………………………………………………………………………………………
6- Decorative lamps are connected in parallel not in series.
………………………………………………………………………………………………………………………………
7- Electric cables (wires) are covered with insulating materials.
………………………………………………………………………………………………………………………………
8- Aluminum is an electric conductor but plastic is a electric insulator.
………………………………………………………………………………………………………………………………
9- Avoid operating more than one machine in the same socket.
………………………………………………………………………………………………………………………………
10- We use a wooden bar to push persons injured from electric accidents.
………………………………………………………………………………………………………………………………
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Q7: Put the odd word in the bracket:
1- Crowbar – seesaw – scissors – nutcracker
[……………………]
2- Wheel barrow – nutcracker – pliers – bottle opener
[……………………]
3- Water pump – tweezers – coal holder – fishing tool.
[……………………]
4- Wheel barrow – nutcracker – bottle opener – human arm.
[……………………]
5- Sweet holder – coal holder – sugar holder – crowbar
[……………………]
6- Iron – water – wood – tungsten
[……………………]
7- Plastic – water – glass – rubber
[……………………]
Q8: Solve the problems:
1- The exerted force on a lever equals 500 Newton and length of its arm is 20 cm and is
affected by resistance with a value of 200 Newton. Find the value of the arm of the
resistance.
…………………………………………………………………………………………………………………………………
…………………………………………………………………………………………………………………………………
…………………………………………………………………………………………………………………………………
2- The length of the force arm of a third class lever is 5 cm and the length of the arm of the
resistance is 15 cm. if the resistance has a value of 300 Newton , calculate the value of the
affecting force .
………………………………………………………………………...........................................................
…………………………………………………………………………………………………………………………………
………………………………………………………………….................................................................
3- Ahmed and Ali were swinging on a see-saw. Ahmed has a weight of 25 Newton and he was
sitting 2 m away from the fulcrum. Ali has a weight of 20 Newton. Calculate the distance
between the fulcrum and the position of Ali so he can make a balance with Ahmed.
………………………………………………………………………...........................................................
…………………………………………………………………………………………………………………………………
………………………………………………………………….................................................................
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4- If the force affecting a first class lever equals 500 Newton at a distance 10 cm from the
fulcrum. The resistance value is 200 Newton at a distance 20 cm from the fulcrum. Answer
the following:
a) Is the lever balanced or unbalanced? ……………………………………………………………………..
…………………………………………………………………………………………………………………………..
b) Why? ………………………………………………………………………………………………………………….
…………………………………………………………………………………………………………………………..
Q9: what happens if:
1- Atmospheric air enters the electric bulb through a hole in the base.
………………………………………………………………………...........................................................
2- The tungsten filament of the light bulb is replaced with copper.
………………………………………………………………………............................................................
3- Connecting all light bulbs in series in the house.
………………………………………………………………………...........................................................
4- Increasing number of lamps in an electric circuit connected in series.
………………………………………………………………………..........................................................
5- Connecting more than one electric machine in one socket.
………………………………………………………………………...........................................................
6- Touching a connected naked wire with wet hands.
………………………………………………………………………..........................................................
7- You touch a spark or part of an electric fire.
………………………………………………………………………...........................................................
8- Electric wires are left uncovered and not insulated.
………………………………………………………………………...........................................................
9- Putting out electric fires with water.
…………………………………………………………………………………………………………………………………
10- Open the electric circuit by using the electric switch.
…………………………………………………………………………………………………………………………………
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Q10: Mention:
1- Some important precautions when dealing with electricity.
…………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………
2- The difference between 2nd and 3rd class levers.
…………………………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………………….
3- The difference between electric conductors and electric insulators.
…………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………..
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Part 2
Name: …………………….
Class: ……………………..
Subjects: Unit 3 & 4
‫مدارس رويال الدولية للغات‬
Science Final Revision Sheet
(Part 2)
Q1: Write the scientific term:
1.
2.
3.
4.
The dark inner shadow in which the total solar eclipse appears.
[…………………………]
It's the faint outer shadow in which the partial solar eclipse is formed. […………………………]
The places where astronomers work and telescopes are kept in.
[…………………………]
It occurs when the moon comes between the earth and the sun on one straight line.
[…………………………]
5. It occurs when the earth comes between the moon and the sun on one straight line.
[…………………………]
6. It's a type of eclipse in which we can't see the sun completely and it's formed in the shadow
area of the moon.
[…………………………]
7. A type of solar eclipse where only a part of the sun is seen.
[…………………………]
8. It occurs when the moon casts its shadow on the earth.
[…………………………]
9. It occurs when the earth casts its shadow on the moon.
[…………………………]
10. A structure found in modern telescopes but not in Galileo's telescope. […………………………]
11. It occurs to the moon when it completely enters the shadow area of the earth.
[…………………………]
12. A type of solar eclipse in which the sun appears as a lighting ring.
[…………………………]
13. The phase of the moon where solar eclipse occurs.
[…………………………]
14. The phase of the moon where lunar eclipse occurs.
[…………………………]
15. It occurs when part of the moon enters the shadow area of the earth. […………………………]
16. It occurs when the moon enters the semi-shadow area only.
[…………………………]
17. Rays that cannot be absorbed from above the atmosphere of the Earth, that causes the red
color of the moon at the beginning of the total lunar eclipse.
[…………..………… ]
18. A device used to collect light rays to magnify distant stars and planets. [……………….……….]
19. The Italian scientist who made the first astronomical telescope.
[…………………………]
20. The Arabian scientist who discovered the vision theory.
[…………………………]
21. The groups of millions of stars forming beams of light in the middle of extreme darkness in the
space.
[…………………………]
22. A spiral shape galaxy where the solar system belongs to it.
[…………………………]
23. They extend from the root and are lined from inside with a cytoplasm layer and have a big
vacuole.
[…………………………]
24. A structure that extends from root wall which absorbs water.
[…………………………]
25. A structure in a plant that passes water from root to stem to leaves. […………………………]
26. A structure in the main root that regulate passing of water to the xylem.
[…………………………]
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27. Holes exist on both surfaces of green leaves and helps in getting rid of excess water in the
form of vapor.
[…………………………]
28. A process that help in the flow of water and mineral salts from the soil to the root through a
semi permeable membrane.
[…………………………]
29. Transmission of water molecules through a semi-permeable membrane from an area of high
water concentration to an area of low water concentration.
[…………………………]
30. A property in root hair that allows only some salts to pass through according to plants needs.
[…………………………]
31. Biological process through which plants lose water in the form of vapor.
[…………………………]
32. They control opening and closing the stomata by changing their shapes. [………….……………]
33. Two cells beside plant gap (hole).
[…………………………]
34. Losing of water in the form of water vapor from plant leaves through tiny holes called stomata.
[…………………………]
35. The process that provides energy for root hairs to absorb salts by selective permeability.
[…………………………]
Q2: Complete:
1234-
…………………phenomenon occurs when the ……………..hides sunlight from part of the earth.
In solar eclipse, the ………………..is found between the sun and ……………………
Solar eclipse occurs when ……………….., …………………. and earth are on one straight line.
…………………occurs when the ………………comes between the sun and part or whole of the
moon.
5- ………..….. solar eclipse is formed when the moon lies on an orbit higher than the earth.
6- Lunar eclipse phenomenon occurs when the.………is located between…………….and …………
7- Lunar eclipse occurs in the……….. of lunar month & the phase of the moon is………………..
8- Lunar eclipse occurs ………….. a year.
9- The moon returns back to its original point every…...…..years and ……..days.
10- …………………..is the scientist who made…………………..which is used to magnify distant
celestial bodies such as stars and planets.
11- At the beginning of the total lunar month the moon appears ……………….. in color.
12- Milky Way galaxy has a ……………shape and……………arms.
13- The huge planets of gaseous nature in the solar system are …………………, ………………..,
…………………..and………………..
14- The small planets of rocky nature in the solar system are …………………, …………………..,
………………….and………………………………
15- The root hair secretes ……………..substance to help penetrating the root through soil
particles and facilitate absorption of …………………
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16- The cellular membrane has ………………………. property which allows only some mineral salts
to pass through.
17- On both surfaces of green leaves, there are tiny holes called……………..used in making
……………………process.
18- Plants lose some of its water through holes on plant leaves called ………………in a process
called …………………
19- The ………………….. in plants are surrounded by two guard cells.
20- Root hair wall is ……………….and it absorbs water by …………………
21- Water is transmitted from the soil to the plants by …………….process due to the
concentration of the salt inside their vacuoles is higher than concentration of salt in the soil.
22- ……………….are transmitted from the soil by selective permeability property according to
plants needs
23- ………….……. process helps in absorbing water from the soil, while …………….process helps
in losing water through holes on green leaves.
24- The concentration of …………………… in sap vacuoles of the root hair is ……………………than
the concentration of solution in the soil.
Q3: Choose the correct answer:
1. Lunar eclipse occurs in the …………….of the lunar month.
a. end
b. middle
c. beginning
2. The phenomenon that occurs when the earth is lined with the moon and the sun with the
moon is in the middle is called…………………….
a. Total lunar eclipse b. partial lunar eclipse
c. solar eclipse
3. The …………occurs when the earth is on straight line with the moon and the sun with the
earth in the middle.
a. Total solar eclipse
b. Annular solar eclipse
c. lunar eclipse
4. The radius of the cone shadow on earth is almost ………………..
a. 100 km
b. 200 km
c. 250 km
5. At the beginning of the total lunar month the…………….. appears red in color.
a. Earth
b. moon
c. sun
6. The telescope collects light which is …………….
a. Emitted from stars b. reflected from planets. C. (a) and (b)
7. Galaxies are group of ……………….
a. Planets
Prim6_Sci_2nd Term _ Final Revision_2016
b. moons
c. stars.
d. satellites
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8. Milky way galaxy has a spiral shape with ………………..arms
a. two
b. four
c. six
9. Groups of millions of stars forming beams of light in the middle of extreme darkness in
space and differ in their shapes are called……………..
a. Galaxies
b. milky way
c. solar system
10. Hubble telescope revolves in an orbit almost ……… above the sea level
a. 600 km
b. 1000 km
c. 200 km
11. Hubble telescope is ……………….. long.
a. 10 m
b. 16 m
c. 20 m
12. When Hubble returns to the earth on 2014, the new ……………. telescope will be launched
to the space to provide photos for more far-away celestial bodies.
a. Galileo
b. Sputnik
c. James Web
13. The scientist who made the first astronomical telescope is ………………..
a. Edison
b. Archimedes
c. Galileo
14. The first satellite successfully launched in 1957 in an orbit around the earth was …….
a. Hubble
b. James web
c. Sputnik
15. Babylonians discovered that the moon returns back to the same point where solar and
lunar eclipse occurred after ……………………..
a. 18 years
b. 10 years and 11 days
c. 18 years & 11 days
16. The scientist who proved that "vision occurs due to the amount of light reflected or emitted
from objects on the eye" is…………….
a. Faraday
b. Galileo
c. Al-Hassan Ibn Al-Haitham
17. Which of the following planet has a huge volume and gaseous nature?...
a. Mars
b. Saturn
c. Venus
18. From the solar system planets with a rocky nature is ……….
a. Jupiter
b. Neptune
c. Earth
19. ………………absorb water and mineral salts from the soil.
a. leaves
b. root hair
c. stems
20. The stoma in a plant is surrounded by …………….of guard cells.
a. one
Prim6_Sci_2nd Term _ Final Revision_2016
b. two
c. three
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21. The number of stomata in the plant is widespread on the .…………….of plant.
a. root
b. upper surface
c. lower surface
22. The root hair is characterized with ……………………..wall
a. thick
b. flat
c. thin
23. The ………….. in plants allows only some salts to pass through according to plant's needs.
a. transpiration
b. osmosis
c. selective permeability
24. The process that allows plants to lose excess water is called……………….
a. absorption
b. transpiration
c. osmosis
25. The root hair secretes……………substance which help in absorbing water.
a. solid
b. viscous
c. smooth
26. The ………………..layer regulate passing water to the xylem
a. epidermis
b. cortex
c. endodermis
27. The ………………… are surrounded by two guard cells.
a. Plant roots
b. green leaves
c. stomata
28. Xylem layer in the root hair passes the water first to ...… then to all parts of the plant.
a. green leaves
b. flowers
c. stem
29. Concentration of water in the soil is ……………….the concentration of water in the root hair.
a. Higher than
b. lower than
c. equal to
30. The water that the plant loses in the form of vapor is …………………….
a. Colored water
b. excess water
c. (a) and (b)
31. The …….secretes a sticky substance, which helps in root penetrating through soil particles.
a. stem
b. main root
c. root hair
32. A process that helps rising and pulling of water and mineral salts up to the top of the plant parts is..
a. Absorption
b. osmosis
c. transpiration
Q4: Put (True) or (False):
1- Solar and lunar eclipses don't affect life on earth.
[………….]
2- The scientist Faraday was the first who made an astronomical telescope in 1609.[………….]
3- It's recommended to use lenses rather than mirrors in making telescopes.
[………….]
4- Lunar eclipses cannot be seen by naked eye.
[………….]
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5- We can observe more than one type of solar eclipse.
[………….]
6- Solar and lunar eclipses are not repeated regularly and can't be predicted.
[………….]
7- The last solar eclipse that occurred in the Middle East was in 2006.
[………….]
8- At the beginning of the total lunar month the moon appears red in color.
[………….]
9- In solar eclipse the earth casts its shadow on the moon.
[………….]
10- The whole sun is seen in the partial solar eclipse.
[………….]
11- Galaxies are groups of millions of planets.
[………….]
12- Milky Way galaxy has a circular shape and nine arms.
[………….]
13- The duration of solar eclipse doesn't exceed seven minutes and few seconds. [………….]
14- The duration of the lunar eclipse can last more than two hours.
[………….]
15- Telescopes work on diverging light that comes from far stars.
[………….]
16- Mercury and Venous are small planets and of rocky nature.
[………….]
17- Looking directly at the lunar eclipse is harmful to the eye.
[.…………]
18- Mercury, Venus, Earth and Saturn are small and rocky planets.
[………….]
19- Earth is from the inner huge rocky planets.
[………….]
20- The solar system is composed of groups of millions of stars in different shapes. [………….]
21- The root system in plants is responsible for photosynthesis process.
[………….]
22- The concentration of solution inside the root hair's vacuole is higher than that concentration of
soil solution.
23- Endodermis layer regulates the passing of water to the xylem.
[………….]
[….………]
24- The root hair secretes a sticky substance to help it to penetrate soil particles. [……..…..]
25- Stomata are widely spreading on the upper surface of the green leaves.
[………….]
26- Respiration keeps the environmental balance by releasing water vapor to the environment and
participating in the water cycle.
27- The root hair of the plant has a long age.
[………….]
[………….]
28- Absorbing salts through semi-permeability property requires energy that can be obtained from
respiration process.
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[………….]
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Q5: Correct the underlined words:
1- Partial solar eclipse occurs when the cone umbra doesn't reach the earth surface.[………………]
2- In Lunar eclipse the sun casts its shadow on the moon.
[……………………]
3- Solar eclipse takes a time equal to that of lunar eclipse.
[……………………]
4- We can see the sun completely in the partial eclipse.
[……………………]
5- In solar eclipse the moon casts its shadow on the sun.
[……………………]
6- A part of the sun is seen in the total solar eclipse.
[……………………]
7- During annular eclipse the sun looks like a lighting disc.
[……………………]
8- The scientist Edison was the first one who made an astronomical telescope.
[……………………]
9- Annular eclipse occurs when the orbit of the sun is higher than the earth.
[……………………]
10- Galaxies are a group of millions of planets.
[……………………]
11- Telescopes work on diverging light that comes from far stars.
[……………………]
12- The observatories have oval shape ceilings that are opened at night.
[……………………]
13- Milky Way galaxy has a circular shape and four arms.
[……………………]
14- Jupiter and Saturn are huge planets and of rocky nature.
[…………..……….]
15- Looking directly to the sun for few minutes will cause deafness.
[……………………]
16- Satellite is a device used to collect light coming from distant objects to magnify their photos.
[……………………]
17- Lenses are used in making modern telescopes.
[……………………]
18- Galileo used mirrors in making his telescope.
[……………………]
19- Sputnik was the first telescope sent to the outer space.
[……………………]
20- Satellites have dome shape ceilings.
[……………………]
21- Earth and Mars are small planets and of gaseous nature.
[…………..……….]
22- Plant absorbs Nitrogen gas during photosynthesis process.
[……………………]
23- Oxygen gas is produced during respiration process in the plant.
[……………………]
24- The root system in plants is responsible for photosynthesis process.
[……………………]
25- The root hairs absorb water and air from the soil.
[……………………]
26- The root hair membrane is impermeable.
[……………………]
27- Epidermis layer regulates the passage of water to the xylem (wood tissue).
[……………………]
28- Stomata are widely spreading on the upper surface of green leaves.
[……………………]
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29- Plant stomata are surrounded by two woody cells.
[……………………]
30- Respiration process contributes to transmit water and dissolved substances to the top of plant.
[……………………]
31- Stem extends and penetrates in the soil to increase the absorption surface.
[……………………]
32- Transpiration helps the plants to lose excess salts.
33- Stomata are found in large number on the plant stem.
34- Root hairs secrete solid substances which help in water absorption.
35- Plant loses water in the form of water vapor in photosynthesis.
36- The plant absorbs some mineral salts by a property called osmosis feature.
[……………………]
[……………………]
[……………………]
[……………………]
[……………………]
37- The soil secretes sticky substance to help the root to penetrate the soil.
[……………………]
38- Salt solution concentration inside the nucleus of the root hair is more than that of the soil.
[……………………]
39- Osmosis is a biological process in which plant loses water in the form of water vapor.
[……………………]
40- Transpiration is moving of water from high water concentration area to lower concentration
area.
[……………………]
41- Transpiration in plant leaves creates a pushing force that helps in raising water up to the top.
[…………………….]
42- The cell membrane of the root hair has the osmosis property which allows only some salts to
pass through.
[……………………]
Q6: Give reason:
1- Since the past, man was concerned with observing stars and planets.
………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………
2- The time and place of solar and lunar eclipses can be predicted.
………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………
3- Arabs in the past used to climb on mountains and minarets to explore the first crescent of
the lunar month.
………………………………………………………………………………………………………………………………
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4- It's recommended to place telescopes and observatories in the space rather than on earth
surface.
………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………
5- Nowadays, man spreads space stations and sends satellites outside the earth.
………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………
6- We cannot see the sun completely during the total solar eclipse.
………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………
7- Occurrence of solar eclipse.
………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………
8- Special glasses should be used to observe the solar eclipse.
………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………
9- The observatories have dome shape ceilings that are opened at night.
………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………
10- Solar and lunar eclipses are considered an application of the umbra phenomenon.
………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………
11- Annular lunar eclipse is not formed like the annular solar eclipse.
………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………
12- The types of solar eclipse differ during the movement of the moon in front of the sun.
………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………
13- Satellites and spaceships are considered flying windows.
…………………………………………………………………………………………………………………………….
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14- The root hairs of the plant secrete a viscous (sticky) substance.
………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………
15- Root hairs in plants have thin walls.
………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………
16- Root hair can absorb water from the soil.
………………………………………………………………………………………………………………………………
17- Water rushes from the soil into root hairs through its semi-permeable membrane.
………………………………………………………………………………………………………………………………
18- There are large numbers of root hair extending from the main root.
………………………………………………………………………………………………………………………………
19- The lifetime (age) of the root hair (capillary) does not exceed a few days or weeks.
………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………
20- Presence of a cellular semi-permeable membrane in the root hair.
………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………
21- The concentration of the solution inside the vacuole of the root hair is larger than the
concentration of soil solution.
………………………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………………
22- Presence of holes (stomata) on both surfaces of plant leaves.
………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………
23- Stomata are found on the lower surface more than the upper surface of plant leaves.
………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………
24- Each stoma is surrounded by two guard cells
………………………………………………………………………………………………………………………………
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Q7: Put the odd word in the bracket:
1- Green leaf – stem – root hair – flower
[……………………]
2- Venus – Jupiter – Saturn - Neptune
[……………………]
3- Mercury – Venus – Earth – Galaxy
[……………………]
4- Earth – Mars – Sun – Jupiter
[……………………]
Q8: What happens if:
1- You look directly to the sun during solar eclipse for a long time.
………………………………………………………………………...........................................................
2- Sun, Earth and Moon comes in one line and the moon in the middle and close to the earth.
………………………………………………………………………............................................................
3- Sun, Earth and Moon comes in one line and the moon in the middle with an orbit higher
than the earth.
………………………………………………………………………...........................................................
4- Placing a tennis ball in front of an electric lamp, once close to it and the other far from it.
…………………………………………………………………………………………………………………………………
5- Absence of stomata in plant leaves.
………………………………………………………………………...........................................................
6- The plant carries out transpiration process inside the planter.
………………………………………………………………………..........................................................
7- The absence of guard cells which surround the stoma.
………………………………………………………………………...........................................................
8- There is no osmosis feature in the plant.
………………………………………………………………………...........................................................
9- The root hair doesn't secrete a sticky substance.
…………………………………………………………………………………………………………………………………
10- The concentration of the solution (salt) decreases inside the sap vacuole.
…………………………………………………………………………………………………………………………………
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11- The concentration of soil solution (salt) is higher than the concentration of the solution
inside the root hairs.
…………………………………………………………………………………………………………………………………
12- The plant doesn’t carry out transpiration process.
…………………………………………………………………………………………………………………………………
Q9: Mention:
1- The function of the telescope.
…………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………..
2- The difference between total solar eclipse and total lunar eclipse
…………………………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………………….
3- What is meant by partial lunar eclipse.
…………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………..
4- The precautions needed when looking at the sun during solar eclipse.
…………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………
5- The difference between Osmosis process and transpiration process.
…………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………..
6- What is meant by selective permeability property in root hairs?
…………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………..
7- The difference between umbra (cone umbra) and penumbra (semi shadow area)
…………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………..
8- The function of stomata in green leaves.
…………………………………………………………………………………………………………………………………
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Name: …………………….
Class: ……………………..
‫مدارس رويال الدولية للغات‬
Science Final Revision Sheet
(Part 3)
Drawings
Q1: Study the following figures then answer the questions:
[A] label the diagram:
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Q2: Write the labels on the drawings:
[A]
[B]
[C]
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Q3: Study the figures then answer the questions:
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Q4: Answer the following questions:
[C] Study the following diagram and label it:
Q5: Look at the pictures and write the type of the solar eclipse
A. ……………………
Prim6_Sci_2nd Term _ Final Revision_2016
B. ……………………
C. ………………………
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