Download 1 ) Complete the following statement 1. Matter is characterized by

Cairo Governorate
Nozha Directorate of Education
Nozha Language Schools
“Ismailia Road” Branch
Department : science
Form : 4th primary
Revision sheet
1 ) Complete the following statements :
1.. Matter is characterized by having ………………….…….and
……
…………….
………….…………
2. ……….………..is
………..is the suitable unit to measure the length of your pencil .
3. Metre is the measuring unit for ……………………………….
…
4.. Everything that occupies a space and has mass is called …………………..…….
………
5. A graduated ruler is used to measure …………………….……..
……
6. A common balance
nce is used to measure …………….……………….
……
7.. The volume of the book can be calculated by multiplying …….…….x
…….
………….x……..…
8. ……………..…….is
…….is the amount of material that the object contains .
9.. The measuring tape is used for measuring ……………….
10. Kilogram is the measuring unit of ………………………..
2) Write the measuring unit of each object :
1-Length of pencil
2- Dimensions of a room
3-Mass of ring
4-Mass of an elephant
5-Mass of fruits
6-The distance between Cairo
airo & Alex
[…………………..]
[…………………..]
[…………………..]
[…………………..]
[…………………..]
[…………………..]
3) Choose the correct answer :
1-Milk has …………
[ mass only – volume only – length – mass &volume ]
2-The
The unit used to measure the volumes of solids is
i ……
3- Five metres equal ……….centimetres
4- ………is the space that is occupied by the body
3
[cm – cm – kg – g ]
[ 500 – 200 – 20 – 5 ]
[ Mass – Volume – Length ]
5. …………..are measuring tools that measure
measure the length of any object
[Graduated cylinders - Sensitive balances - Graduated ruler and graduated tape ]
6.. We can determine the volume of an irregular small stone that doesn't dissolve
di
in
water
er , by using ……………………
[a glass beaker - a measuring cylinder - a common balance - a graduated ruler ]
2
4) Complete the following statements
1. It is used to measure the volume of liquids……………..……..
liquids………
2……………..unit is used to measure small masses while ……………...unit
..unit is used to
measure big masses .
3.. ………………and ……………..are from the types of balances.
4.. It is used to estimate the mass of tiny objects
objects as things made of gold ………….
……
5.. Cubic metre is the measuring unit of ………………..
6.Units of measuring mass are ……………and ……………
7.We
.We use …………..tool to measure the volume of an irregular piece of stone
5) Write scientific term :
1. Anything that
hat has a mass and volume .
[………………….]
2. A device used to measure
easure the mass of objects .
[………………….]
3.. One of device that is used to measure the length of any object […………………..]
4.. Is the amount of matter in an object .
[…………………..]
5. It is the space occupied by the matter .
[…………………..]
6.. The balance used to measure the small mass
[…………………..]
6) Write "yes " or " No" and Why ????????
Kilogram of iron = kilogram of cotton
………………………………………………….
………………………………………………….………………………………….
7) Correct the underline words
1.The
.The volume of solid measured by cm unit .
[………………]
2.The
.The measuring unit of length is Kilogram .
[………………]
3
3. cm is the unit of measuring mass .
[………………]
8) Look at the following figure , then answer the following questions :
1. The volume of water (V 1 ) = ………cm
2.. The volume of water and the four marbles ( V 2 ) =
……..…cm
3
3.. The volume of the four marbles = ……….………. …….= ………cm
3
4.. The volume of the four pieces of marbles = ……….÷…….=
………. …….= ………cm
3
3
9) Calculate
a) A mobile phone has a length of 6 cm .its width is half its length and its height is
2cm . Calculate its volume
………………………………………………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………………………………………..
b)The volume of a wooden box where its length is 6cm , width is 3cm and height is
2 cm .
………………………………………………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………………………………………..
3
c) A graduated cylinder contains 100 cm of water when an irregular object was
3
put in it , the level of water becomes 150 cm .Find the volume of the object .
…………………………………………………………………………………………………………………………………………………….
………………………………………………………………………………………………………………………………………………........
d) Find the volume of this figure
The volume of the box =
…………………………………………………………………………….………..
………………………………………………………………………………………
……………………………………………………………………………………..
5cm
2cm
3cm
10) When your classmate puts a piece of iron in a beaker that is completely
filled with water , If a quantity of 20 cm of water is poured out so , the
volume of the piece of iron equals ……………
a. 20 cm
3
b. 30cm
3
c. 50 cm
3
d. 70 cm
3
11) Put (√ ) or ( x )
1. Mass is the space that is occupied by the object .
(
)
2. We use the graduated tape and the measuring ruler in measuring.
(
)
3. Common balance is the measuring unit of volume .
(
)
4. Sensitive balance is used to measure the mass of small objects .
(
)
5. Centimeter and gram are the measuring units of length .
(
)
6.Liter is the measuring unit of the volume of liquids .
(
)
4
1) Complete the following statements :
1. The states
tates of matter are ………….., ………..and …………
2. Water changes into ice by ……………..
3. On transferring water from one container to another , its shape will …………
4.. Ice can be changed into water by …………..
5.. Ice is the …………state of water , while …………is
…………is the gaseous state of water
6.. If a liquid freezes , it becomes ………………..
7. Matter can be pressed
sed in case of …………state of matter .
8.. The ……………substances have definite shape and volume .
9.. Iron and …………are examples of the ……………matter .
10. Water and …………..are examples
xamples of the …………..matter .
11.. Oxygen ,………..and ………..are considered gaseous matter .
2) How many state at this figure
…………………………………………………..
………………………………………………….
3) Write scientific term :
1.A
.A state of matter that has a definite volume and shape .
[…………………….]
2.Their
.Their shapes and volumes are changing
changing according to the container .[…………………….]
.
3.. It has a definite volume and indefinite shape .
[……………………]
4.. Substance have definite volume &definite shape .
[…….……….…….]
5.. Matter that have definite volume and takes
takes the shape of its containers
[……………………]
6.A
.A state of matter that doesn't have a definite
definite shape or volume . [……………….……]
4) Put (√ ) or ( x )
1.. Iron and wood are from the solid substance.
2.. liquids are evaporated by heating .
3.. Gaseous substances have indefinite shapes and volume .
4.. Matter exists in four state
.
5
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[
[
[
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]
]
]
5) Correct the underlined words :
1.Water , oil and milk are solid.
[…………………]
2.Iron and copper are liquid materials .
[…………………]
3. Water condenses by heating .
[…………………]
4. Freezing is the change of matter from the solid state to the liquid state .
[…………………]
5. Cooling causes condensation of water vapour and evaporation of water .
[…….……….…]
6.Water changes into ice by heating .
[…………..…….]
6) Complete
1. Matter that has a definite volume and an indefinite shape is known as ……….……
2. Liquid have …………………..volumes and don't have definite …………….…………
3. Evapouration is the changing of matter from ……………state to the ……….……..state .
4. Air is a………………….matter because it hasn't a definite ……….……..and ……….………
5.Water vapour changes into ………………..by …………………..
6.Water can change from the liquid state to the solid state by …………..and this
process is called ………………..
7. Melting is the transfer of matter from …………..….state to …….…..state by heating .
8.Condensation is the change of matter from the ……..state to the ……….state .
7) Write the scientific term
1.The transfer of ice into water .
2.The change of matter from the gaseous state into the liquid state .
3.It is change of matter from liquid state to gaseous state by heating .
4. The change of matter from liquid state to solid state by cooling .
[……………….]
[………………..]
[……………….]
[……………….]
8) Choose from group (B) what suits in group (A)
A
B
a. change of matter from the liquid state to the
gaseous state.
b. change of matter from the solid state to the liquid
2- Freezing
( )
state.
c. change of matter from the liquid state to the solid
3- Condensation ( )
state.
d. change of matter from the gaseous state to the
4- Evaporation
( )
liquid state.
1- Melting
( )
6
1) Complete :
……………………is the substance that can't be decomposed into two substance or more
1……………………is
2.Elements
.Elements are classified into …………………and ……………………
3.Liquid non-metal
metal is ………………..while liquid metal is …………………
4.The
.The group of …………….has metallic luster but the group of …………….doesn't have .
5.From
.From the properties of metals that they are good conductors of ………………..……..
………
and …………………………….……
6. ………….element is used in making batteries, cooking pots are made of………….while
their handles are made of …………………
7.Non -metals are
re bad conductors of ………………except …………………
2) Choose the correct answer :
1. All the following are metals except ……..
[ copper – carbon – iron – aluminum ]
2. Iron and copper are considered from ................
[ metals – liquid non metals – gaseous non metal ]
3. …………………is
…is a good conductor of electricity
[ foil paper – sulphur – phosphrous – bromine ]
4. All non-metal
metal are bad conductors of electricity except ……….
[ carbon – copper – iron – gold ]
5. Electric wires are made up of …….[
……. sulphur – carbon – copper – mercury ]
3) Correct the underlined
1. Bromine is a liquid metal while Mercury is a liquid non –metal
metal .
……………………………………………………………….
2.Metals can be found in solid , liquid or gaseous
……………………………………………………………….
3.Melals have low melting and boiling points .
……………………………………………………………….
4.The
.The cooking pots are made up of wood
……………………………………………………………….
5. Carbon is used in the manufacture of electric wires
……………………………………………………………….
7
4) Complete :
1.The melting point of sulphur is ………….…….than the melting point of Aluminium
2. …………….. have a shiny appearance , but ………………..don't have shiny appearance .
3. ……………….. element is used in making the dry cell .
4. Graphite is a form of ………….…..element and it is a good conductor of …………..………
5. …………………is a good conductor of electricity .
6.We use ……….…….and ………….…..in the manufacturing of jewels but we use …………..
in manufacturing of bridge
7. Carbon and ………….…..are solid non – metals , while oxygen and ……….……are gaseous
non-metals .
8. Aluminium is used in making ………………and ……………………….
9. The positive poles of the dry cells are made up of ……………………..elements .
10. Metals have ……………..….boiling points but ………………..…..have low boiling points .
5) Write scientific term
1. An element used in manufacturing of foil.
2. A metal used in making jewellery .
3. A liquid non –metal .
4. Elements have high melting points .
5. A liquid metal .
6. A non –metal is good conductor of electricity .
7. Element have low melting points .
8. A non –metal in manufacturing positive poles of dry cells .
6)
1.
2.
3.
4.
5.
[………………….]
[………………....]
[………………….]
[………………….]
[………………….]
[………………….]
[………………….]
[………………....]
Give one use for each of the following :
Gold and silver :………………………………………………………………………………………………………..
Iron
: ………………………………………………………………………………………………………..
Copper
:…………………………………………………………………………………………………………
Aluminium
:………………………………………………………………………………………………………..
Carbon
:…………………………………………………………….………………………………………….
7) Put ( √ ) or ( x ) :
1.Aluminium is used in making bridges and lamp posts.
2.Iron ,copper and carbon are metallic elements .
3. Elements are classified into metals only .
4. Gold is a bad conductor of heat .
5.Carbon and sulphur are solid non-metal .
6.Mercury is a liquid non-metal , while bromine is a liquid metal .
8
[
[
[
[
[
[
]
]
]
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]
8) Choose from column (B) what is suitable for column (A) :
A
B
1.Carbon
a-liquid non-metal
2 Bromine
b-liquid metal in the normal temperature
3. Mercury
c-gaseous non-metal in the normal temperature
4. Oxygen
d- Solid non-metal
9) Give reason for :
1.Handles of cooking pots are made of wood or plastic .
…………………………………………………………………………….
2.Aluminium is considered as a metal while bromine is a non-metal
……………………………………………………………………………
3.Graphite is used in the manufacture of the dry cells .
…………………………………………………………………………….
4. Electric wire is not made of sulphur
…………………………………………………………………………….
5. Gold and silver are used in making jewels
……………………………………………………………………………..
9
1) Complete :
1………………….….it
.it is a change in the appearance of matter without any change in its
properties
2………………..it
………..it is a change in the substance producing a new substance with different
properties .
3.. The two kinds of changes that may occur to matter are …………………...change
………
and …………………………change
4.. Condensation of water vapour into water is a …………..change , while
wh paper
recycling is a ……………change .
5.. Melting of any solid matter as chocolate is a……………change
6.The
.The freezing of molten wax drops is considered a …………..change , while burning a
piece of paper is a ………….change .
2) Choose the correct answer :
1.The burning process of matter is a [ chemical – physical – freezing ] change .
[ freeze – evaporates – rusts ]
2.. When iron is exposed to air it
3. In [ chemical – physical – both of them ] change the matter keeps it is own
properties
4. All the following
lowing are physical changes except
[ burning – grinding –dissolving
dissolving – melting ]
3) Classify the change that occurs to physical
1.. The production of yoghurt from milk
2. The paper recycling
3. A melting of chocolate bar
4. Iron rusting
5. Burning of candle
6.. Burning of piece of sugar
7.. Dissolving of sugar in water
8. Freezing of water
9.. Making a chair from a piece of wood
w
10. Burning a piece of wood
11.. Fermentation of fruits and vegetable
10
or chemical change :
…………………..
…………………..
………………….
………………….
………………….
………………….
………………….
………………….
………………….
………………….
………………….
4) Write the scientific term :
1.A change in the appearance of matter without any change in its structure .
[…………….……]
2. A change in the structure of the substance that produce a new substance with
new properties .
[……………..……]
3. A change occurs when a piece of sugar is burned
[…………………..]
4. A change occurs when iron reacts with oxygen and water
[……….…………]
5) What is meant by :
1.A physical change
………………………………………………………………………………………………………………………………………………………
2.A chemical change
……………………………………………………………………………………………………………………………………………………..
6) Give reason for
1. The melting of ice is a physical change .
…………………………………………………………………………………
2. The rusting of iron is considered a chemical change .
……………………………………………………………………………………
3. Rusting a piece of iron is a chemical change .
……………………………………………………………………………………
4. The fermentation of milk is a chemical change
……………………………………………………………………………………
11
1) Complete :1-At night the big stars in the sky look …………….because they are ………..from us .
2-The sun radiates …………….&…………………….
3-…………..is a medium sized star .
4-The moon looks bright & shiny, because it ……………. the sun light.
5-Planets revolve around the sun in ……….. path.
6-The ………is located in the center of the solar system and there are ……………..…
revolving around it.
2) Choose the correct answer :
1-The nearest planet to the sun is …………[ Earth – Mercury – Neptune – Jupiter ]
2-The biggest planet is ………
[ Earth – Neptune – mercury – Jupiter ]
3- The sun is a star because it …………..
[ absorb light – reflect light – radiates light – let light pass through ]
4-We see the moon shining because it ………………
[absorb light – reflect light – radiates light – let light pass through ]
5-Moons are followers for the …………
[stars – planets – comets – meteors]
6- Jupiter revolve around the sun in ……path [ circular – straight – semi circular ]
7- The sun seems bigger to us than the other stars because ……
[ it emit light & heat – it is nearer to us – it lies in the center of the solar system ]
8.The number of stars in the solar system…………………..[one – two – three – nine ]
3) Give reason for :
1-The sun is a star while the earth is a planet .
……………………………………………………………………………
2- The stars seem very small in size .
…………………………………………………………………………….
3- The moon is a dark body but we see it shining .
……………………………………………………………………………..
4- The sun seems bigger to us than the other stars .
…………………………………………………………………………….
12
4) Write the scientific term :
1. A dark body revolves around the sun and we live on it
[…………………]
2. Moons , meteors , sun , eight planets , asteroids ,comets and meteorites .[…………..]
3. A celestial body emits heat & light .
[…………….…….]
4. The most beautiful planet .
[…………………..]
5.The biggest planet in the solar system .
[…………………..]
6. The nearest planet to the sun .
[…………………..]
7. Dark bodies revolves around the planets and reflect the sunlight falling on them .
[…..…………..….]
5) Correct the underlined words :
1.There are seven planets that revolving around the sun.
[…………………]
2. The nearest planets to the sun is Neptune .
[…………………]
3.Stars are dark bodies .
[…………………]
4. The stars seem very big because they located far a part from us.[……………..…]
5. The biggest planet in the solar system is Venus .
[…………………]
6. The followers of planets are comets .
[…………………]
13
1) Choose the correct answer :
1.The sequence of day &night is occurred due to ……
a - rotation of the earth around the sun
b- rotation of the earth around itself
c - rotation of the sun around its axis
2.The number of the day hours are equal to the number of the night hours in ……
a - summer
b-winter
c-spring
d-all of the seasons
3.The sequence of the seasons of the year occurs due to ………….
a-revolution of the earth around the sun
b- rotation of the earth around its axis
c- rotation of the sun around its axis
4.The earth's axis is ………………
a-vertical
b-inclined
c-horizontal
d- no correct answer
5.The part of Earth that faces the sun …………
a-doesn't get light
b-is darker than the other side
c- is at day time
d-is at night
2) Give reasons for :
1-Sequence of day and night .
………………………………………………
2-Sequence of the four seasons .
……………………………………………….
3-The number of hours of day and night are not equal ………………………………………………
3) What happens if :
1-The Earth rotates around its axis .
2- The Earth revolves around the sun .
………………………………..………………………………..
…………………………………………………………………..
4) Complete :
1.The day is longer than the night in …………………season .
2.In ………………….and ………………………the day equals the night .
3.In the ……………………season , the day is shorter than the night .
4. Earth revolves the sun once every ……………………while it rotates around its axis
once every ………………..
5. Sequence of ………………….occurs due to rotation of the Earth around its axis
while sequence of ……………………occurs due to rotation of the Earth around the sun .
6.The number of hours at day is not equal to the number of hours at night because
the ……………….of the earth is …………………………..
14
5) Write the scientific terms:terms:
1- The planet which we live on it
2- It’s formed once every 24 hours
3- It’s formed once every 365.25 days
4- Its formed when earth rotate around the sun
5- Its formed when earth rotate around its axis
15
[
[
[
[
[
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]
]
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]
1) Complete:1-The
The earth revolves around the …………………
……
while …….………
……… revolve around the earth.
2-The
The moon revolves around ………………….…….
…
and ………………………
……………………………
3-The
The moon rotates around the earth once every …………………….
…………………….….. days.
4-There is an ……….…..
….. force between the earth with each of ………………...
…
& ………….…….
5-The moon needs ………………
………………… days to be full moon.
2) Correct underlined
1-The
The moon is a dark body but it seems shining because it absorb the sunlight
falling on its surface.
[…………………………………]
2-The
The moon rotates around the Earth in a straight path.
[………………………………..]
3-The moon is crescent at mid lunar month.
[…………………………………]
4-The sun rises in west .
[…………………………………]
5-The
The Earth revolves around the axis once every3651/4 days causing the
four seasons
[…………………………………]
6-The
The Earth rotates around its axis every 25 hours .
[…………………………………]
7-The
The Earth revolves around the sun once every 355 and quarter day [……………….]
16
1) Complete
1.The most important gases in air are ………………,…………………..,…………………..,and …………….
2.The air is a mixture of different ………………………
3. Oxygen gas represents …………………..of air volume .
4.The main source of oxygen gas is ………………………during ………………….process
5.Oxygen gas is necessary for ………………..…………..and …………………………………process
6.Divers carry …………….……..cylinder on their back to help them in …………………..………
under water surface .
7. We can use …………………..gas with acetylene in…………………………………………….of metals
8.Living organism use…………………..gas during respiration process , while green plants
use …………………gas during photosynthesis process.
9…………………………gas is necessary for combustion of fuel in houses .
10.We use ……………….to test the presence of carbon dioxide gas in air .
2) Write the scientific term :
1.Gas is used in the industry of ammonia and nitrogenous fertilizers .[
]
2.A gas represents 1/5 of the atmosphere .
[
]
3.A gas which changes the clear lime water into milky .
[
]
4. A gas used in making soda water .
[
]
5. A chemical substance used to test the presence of carbon dioxide .[
]
3) Correct underlined :
1.Nitrogen gas helps in burning fuel .
[
]
2.Carbon dioxide gas represents about 21% of the air.
[
]
3.The oxygen gas is used in the industry of nitrogenous fertilizers .
[
]
4.Divers use nitrogen to breath under the water.
[
]
5. Green plant depend on carbon dioxide gas in respiration process .
[
]
17
4) Complete :
1.Carbon dioxide gas used in the manufacture of ……………………….and …………………………..
2. ………………………gas reduce the effect of …………………..gas in the combustion process.
3.The humidity of atmosphere depends on the amount of……………….that present in air .
4.The atmospheric pressure is measured by using ………………while the temperature is
measured by using ………………………………….
5.Wind are the movement of air from ……………pressure areas toward …………pressure.
6. …………………and ……………….of sea water form clouds .
5) Write scientific term :
1.A device that used to measure the atmospheric temperature .
[
]
2. It is the temperature expected at night .
[
]
3. A device used to measure wind direction .
[
]
4. It is the expected conditions of the atmosphere at a certain area during a short
period of time not exceeding a week .
[
]
5. It is the temperature expected during the day time .
[
]
6. It is the mixture of different gases that surround the Earth . [
]
7. Motion of the air from higher pressured area to lower pressured area .[
]
6) Give one use for :
Wind vane
: …………………………………………………………………………………………………………
Anemometer
; …………………………………………………………………………………………………………
Barometer
: …………………………………………………………………………………………………………
Digital thermometer : …………………………………………………………………………………………………………
Mercuric thermometer : ……………………………………………………………………………………………………
7) Give reason for ;
1.Divers carry oxygen gas cylinder during diving .
…………………………………………………………………………………………………..
2.Nitrogen gas is very important in air .
…………………………………………………………………………………………………..
3.Carbon dioxide gas is used in fire extinguishing equipments .
…………………………………………………………………………………………………..
4. Weather prediction is very necessary for fishermen and people
…………………………………………………………………………………………………..
18
8) Correct underlined
1.The
.The expected temperature at night is maximum temperature .
………………………………………………………………………………………………………….
2.wind vane is used to measure wind speed
…………………………………………………………………………………………………………….
3.Mercuric
.Mercuric thermometer is necessary for measuring pressure
………………………………………………………………………………………………………………..
4.Anemometer is used to measure temperature
………………………………………………………………………………………………………………..
5. The ratio of nitrogen gas in air is 21 %
………………………………………………………………………………………………………………..
9) Mention one importance of each of the each of the following
1.Oxygen
: …………………………………………………………………………………………………..
2. Carbon dioxide
: ………………………………………………………………………………………………….
3. Nitrogen gas
:……………………………………………………………………………………………………
:……………………………………………………………………………………………………
4. Lime water
:……………………………………………………………………………………………………
19
Model exam (1)
Question [1]
A) Write the scientific term :
1- A change of matter from the solid state into the liquid state by heating . […………………..]
2- A metal element that used in manufacturing cars frames and bridges . […………………..]
3- The change in the structure of a substance producing a new substance . […………………..]
4- The amount of matter in an object .
[…………………...]
5- The simplest form of matterr that can not be decomposed into two or more substances .
[…….…………….]
B) Match from column (B) what s suitable for column (A) :
(B)
(A)
1- Sulpher
a- used to measure the dimensions of the classroom .
2- Metre
b- is a non-metal element .
3- Air
c- used to measure the mass of fruits .
4- Melting
d- is a physical change .
5- Common balance
e- is considered an example of gaseous state .
Question [2]
A) Complete the following statements :
1- All non-metals
metals are bad conductors of electricity except ………………………….
2- A rock is put in a jar containing 40 cm3 of water , the water level raises in the jar up to 60 cm3
, so the volume of the rock equals …………………..
………………
3- Adding yeast in baking is considered as …..…………… change while dissolving sugar in
water is considered as …………..…….. change .
B) In the following figure :
If you have a glass filled with water .
1- ………………… represents ………………… state .
2- ………………… represents ………………… state .
A glass filled completely with water
20
Question [3]
A) Put ( √ ) or ( × ) :
1- Matter exists in three states .
(
)
2- The physical change means the appearance of new properties .
(
)
3- The equal masses of different materials have different volumes .
(
)
4- Gold and silver can be hammered and pulled into jewels .
(
)
B) Correct the underline words :
1- The types of change that occur to matter are four types .
2- The measuring unit of the volume of a book is cm
3- All element have high melting and boiling points .
4- The presence of drops of water on the plant leaves or cars in the early morning is due to
freezing .
Question [4]
A) Choose the correct answer :
1- ……………….. has a definite volume but it takes the shape of its container .
[ Wood
- Milk -
Water vapour ]
2- Rusting of iron is an example of …………….
[ burning process
- chemical change
- physical change ]
3- ……………….. is a liquid non-metal .
[ Bromine - Mercury - Water ]
4- Melting of ice changes its ………………..
[ appearance only - structure only - appearance and structure ]
5- If the mass of the school bag is 2 kilograms , it becomes equal to a piece of iron of mass …….
[ 1000 grams
-
2000 grams
- 200 grams ]
B) What is the importance of each of the following :
1- Aluminum :
………………………………………………………………………………………
……………………………………………………………………………………………………..
2- Graduated tape :
………………………………………………………………………………….
……………………………………………………………………………………………………..
C) Complete the following diagram :
1- …………………
2- …………………
Liquid state
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(1) by ...................
(2) is called
…………… process
Gaseous state
Model exam (2)
1st Question :
A) Write the scientific term:1- The change in the structure of a substance to produce a new substance.
[…………………………..]
2- Shining bodies in the space that have different sizes.
[…………………………..]
3- A plant that revolves around the sun in 365 and 1 4 day.
[…………………………..]
4- A gas that needed for respiration and necessary for burning of fuels.
[…………………………..]
5- A group of elements having lustre and good conductors of heat and electricity.
[…………………………..]
6- The amount of matter in an object.
[…………………………..]
B) Write one use for:1- Iron : ……………………………………………………………
2- Tide and ebb : …………………………………………………..
2nd Questions :
A) Complete the following statements:1- To measure the mass of fruits, we can use ……………….……… tool.
2- Evaporation is the change of matter from …………………. state to …………….. state.
3- …………………. is the coldest planet while ……………...….. is called the red planer.
4- Jewels are made up of …………. while the electric wires are made up of …………….
5- The day hours in summer is …………….. than the night hours.
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3rd Question:
A) Correct the underlined words:1- Burning of paper is considered as a physical change.
2- The movement of the shadow for the fixed bodies is due to the apparent movement of the
earth.
3- Non-metal exist in one states.
4- The liquids take the shape and the volume of their containers.
5- Nitrogen gas is used in making soda water and fire extinguishing.
B) Choose from column ( B ) what is suitable for column ( A ) :(A)
(B)
1- Lies at the center of the solar system.
a- the ebb
2- A measuring unit for the volume of liquids.
b- sun
3- The return back of water to its normal level after the tide.
c- liter
4th Questions:
A) Choose the correct answer:1- The liquid non-metal is …………….
a- bromine
b- mercury
c- sulpher
2- ……………… is used to measure the weather temperature.
a- Barometer
b- Thermometer
c- Windvane
3- The solid state of water is ……………….
a- Alcohol
b- water vapour
c- ice
4- The sequence of day and night is due to the rotation of the earth around …………….
a- its axis
b- the moon
c- the sun
B) Put ( √ ) or ( × ) :1- Dissolving table salt in water changes its properties.
(
)
2- Crescent is one of the moon phases.
(
)
3- Centimeter and cubic centimeter are measuring units for the length.
(
)
4- The nearest two planets to the Earth are Jupiter and Saturn.
(
)
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Model exam (3)
Questions ( 1 ):A) Complete the following statements:1- The measuring unit for the length of a table is …………………
2- ……………….. is a liquid metal while ……………….. is a liquid non-metal.
3- Matter can be pressed in case of ………………… state.
B) Match from column ( B ) what is suitable for column ( A ):(A)
(B)
1- They are not malleable or ductile.
a- freezing
2- Used to measure the volume of liquids.
b- gm
3- The change of matter from liquid state to solid state.
c- graduated cylinder
4- Measuring unit of mass.
d- non-metals
Question ( 2 ):A) Write the scientific term:1- The state of matter that has a definite volume and takes the shape of its container.
[ ……………………………… ]
2- The simplest form of matter that can't be decomposed into two or more substances.
[ ……………………………… ]
3- The space occupied by an object.
[ ……………………………… ]
4- Elements that can be hammered and bent.
[ ……………………………… ]
B) Correct the underlined words:1- Graphite is used in manufacturing of cooking pots and foil paper.
2- Changing the water vapour into water is called melting.
3- 2 liters of oil = 100 cm
4- Oxygen is a good conductor of heat.
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Question ( 3 ):A) Choose the correct answer:answer:
1- The electric wires are made of ……………………
a) coal
b) sulpher
c) copper
d) phosphorus
2- The science book has ………………………….
a) mass only
b) height only
c) volume only
d) mass and volume
3- Iron exists at the room temperature in …………………..
a) 1 state
b) 2 states
c) 3 states
d) all the previous
4- Evaporation of water into water vapour is accompanied
accompanied with …………………
a) an increase in mass
b) decrease in mass
c) an increase in temperature
d) decreases in temperature
Problem:When a piece of stone is put in a jar containing 40 cm3 of water, the water level raises up to 70
cm3 , calculate the volume of the stone.
……………………………………………………………………………………………………
……………………………………………………………………………………………………
Question ( 4 ):A) Put ( √ ) or ( × ):1- All non-metals
metals are bad conductor of electricity except carbon.
(
)
2- 1 kg of copper equals 1 kg of wood.
(
)
3- Kerosene is an example of gas state.
(
)
4- Gold and silver have luster and low melting points.
(
)
B) Look at the picture:-
1- The name of this tool is ………………..
1- The name of this tool is ……………
2- It is used to measure …………………...
2- It is used to measure ……………….
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Model exam (4)
Question (1) :A) Complete the following statements :
1. The phosphorus is ……………….……. conductor of electricity and the nail is a
………………….. conductor of heat .
2. ………………………… is nearest planet to the earth whereas …………… is the most
beautiful planet .
3. The suitable unit to measure the mass of a golden ring is ……………….
4. ………………. is a dark body that rotates around the earth in …………. days .
B) Correct the underlined words :
1. The ebb is the rising of water level to cover the seashores .
2. When the water vapour in air cools and freezes it forms clouds .
3. The sun and the eight planets that revolve around it are called stars .
Question (2) :A) Choose the correct answer :
1. The ………….. is formed due to the rotation of the earth around its axis .
a- year
b- week
c- day
d- month
2. All metals are solids at the room temperature except ……………..
a- water
b- mercury
c- copper
d- bromine
3. Chemical change is a change in ………………………..
a- appearance only
b- structure only
c- structure and appearance
d- no correct answer
4. …………….. is one of the moon’s phases.
a- Earth
b- Asteroids
b- Comets
d- Gibbous
B) Give one use ( or importance ) for each of the following :
1. Carbon dioxide gas .
………………………………………………………………………………..
………………………………………………………………………………..
2. Aluminium .
………………………………………………………………………………..
………………………………………………………………………………..
3. Sensitive balance .
………………………………………………………………………………..
………………………………………………………………………………..
4. Thermometer .
………………………………………………………………………………..
………………………………………………………………………………..
26
Question (3) :A) Put ( √ ) or ( × ) :
1. Copper is used in manufacturing of car frames and bridges .
2. When the milk cools , it changes to solid .
3. The day in winter is longer than that of the night .
4. Iron rusting is a chemical change .
[
[
[
[
]
]
]
]
B) Choose from column (B) what is suitable for column (A) :
(A)
(B)
1. The length of a table is measured by
a) Parometer .
2. Wind’s direction is determined by using
b) Cm 3 .
3. The atmospheric pressure is measured by using
c) Vane .
4. Measuring unit of volume is
d) Graduated Tape .
5. The smallest form of matter that can’t be decomposed .
e) element .
Question (4) :A) Write the scientific term :
1. A change in the appearance of the substance without any change in its structure .
[ …………….….……...]
2. The biggest body in the solar system .
[ ……….…….………...]
3. The space occupies by an object .
[ ……………….............]
4. A gas that used in the industry of ammonia and fertilizers . [ …………………..….. ]
B) Give reason for :
1. The sequence of the four seasons .
………………………………………………………………………………..
………………………………………………………………………………..
2. The rubber has a definite mass and volume .
………………………………………………………………………………..
………………………………………………………………………………..
27