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Royal International School
Revision Booklet
Second Semester
2015 – 2016
Science - Grade 4 BC
Student’s name: ___________________________________
1
Pages
Unit 5 lesson 1 pages 245-258 _________________________________________1
What is the water cycle ?
Unit 5; lesson 2 pages ______________________________________________4-6
What are types of weather?
Unit 5 lesson 3 pages 273-284_________________________________________6-7
How is weather predicted ?
Unit 6 lesson 1 pages 297-307__________________________________________7
How do the sun , Earth, and the Moon Interact?
Unit 6 lesson 2 pages 325-340__________________________________________8
What are Moon Phases ?
Unit 7 ; lesson 1 pp 351-360__________________________________________9-10
What are Physical properties of Matter
Unit 7 ; lesson 4 pp 351-360__________________________________________11-12
What Are the States of Matter ?
Unit 8 ; lesson 1 pp 392-399-__________________________________________12-13
What are some physical Changes ?
Unit 8; lesson 3 pp. 405-414 __________________________________________13-14
What are Some Chemical Changes ?
Unit 9, lesson 1, pp 429-444_________________________________________15-18
What Are Some Forms of Energy ?
Unit 9; lesson3, pp 447-458 _________________________________________19
What is Heat ?
Unit 9; lesson5, pp 447-458 _________________________________________20
What are Conductors and Insulators?
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Unit 5 lesson 1 pages 245-258
What is the water cycle ?
A. Fill in the blanks with words from the box below:
water vapor
evaporates
precipitation
water cycle
condenses
1. The process of water moving from earth to the air and back again is called the
water cycle.
2. When liquid water changes to a gas it evaporates.
3. Water as a gas is called water vapor.
4. When water vapor condenses form clouds.
5. Water that fails from clouds is called precipitation.
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Unit 5 lesson 2 pages 259-269
What are types of weather?
Barometer
thermometer
rain gauge
wind vane
B. Match each sentence to the correct picture and complete the
sentences :
1. Tool that used to measure temperature in
degrees Celsius or Fahrenheit
called Thermometer .
A.
2. Tool that used to measure air pressure
in units called mill bars is
called Barometer.
B.
3. Tool that used to measure wind speed
is called Wind Vane.
4. Tool that used to measure the amount of
precipitation that has fallen in an area is
Rain gauge
C.
D.
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C. Match each sentence to the correct picture and complete the sentences:
Snow
hail
sleet
rain
1. When the air is warm,
Precipitation fall as __rain_
A-
2. When the air is cold enough,
Precipitation fall as_snow__
B-
3. If falling snow melt and refreezes,
it changes to_sleet_
4. Balls of ice often forms during
Thunderstorm is called_hail__
C-
D-
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D. Identify each cloud type shown below.
Cirrus
Cumulus
cirrus
Stratus
stratus
cumulus
D. Complete each sentence below by stating whether air pressure increase or decrease.
a. You are climbing a mountain. As you climb, air pressure is decreasing.
b. In the morning, the air is dry. In the afternoon, the air feels very moist. Air pressure is
decreasing
c. A warm day has changed to a cold afternoon. Air pressure is increasing
Unit 5 Lesson 3 pp 273-281 How is weather predicted
A. Fill in the blanks with words from the box below:
front
meteorologist
weather forecast
air mass
hurricane
Doppler radar
1. The meteorologist is a person who studies weather and atmosphere.
2. A air mass is a large body of air with the same temperature and humidity.
3. A (n) weather forecast is a prediction of future weather conditions.
4. The boundary between two different air masses is a front.
5. A (n) hurricane is a storm with wind speeds of at least 119 km/h.
6. A Doppler radar tool used to see the movement of storm clouds
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B. Tell which picture show cold front and warm front
warm front
warm front
Unit 6 lesson 1 pages 297-307
How do the sun , Earth, and the Moon Interact?
A. Fill in the blanks with words from the box below:
Rotate
hemisphere
axis
orbit
model
revolve
constellation
season
1. axis An imaginary line through Earth.
2. Rotate
is when the Earth spinning in space.
3. Orbit is the Earth’s path in space.
4. Earth does this around the sun once a year: revolve
5. Constellation is a pattern of stars in the night sky.
6. hemisphere is one half of Earth.
7. Model is a representation of the sun-Earth-moon system.
8. Season is a time of year with particular type of weather
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Unit 6 Lesson2 pages 325-340
“What are Moon Phases?”
A. Multiple choice. Circle the letter of the correct answer.
1. Earth rotates on its axis once every
24 hours. What is the result of Earth’s rotation?
The seasons
Night and day
The moon’s phases
The length of the year
2. Earth is tilted on its axis. Which of these would not exist if Earth had no tilt?
gravity
seasons
lunar phases
Earth’s rotation
3. Earth revolves around the sun. How long does it take for Earth to complete one
revolution?
one day
one week
one month
one year
4. Look at the diagram below. It shows Earth at four positions in its orbit around the sun.
At which position does the Northern Hemisphere receive the least amount of sunlight
each day?
Position I
Position II
Position III
Position IV
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Unit 7; lesson 1 pp351-361
“What are Physical properties of Matter?”
A. Which word describes each photo best? Use each word only once
Mass
texture
volume
odor
Shape
Texture
Odor
density
hard
size
shape
taste
mass
density
size
volume
hard
taste
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B. Multiple choice. Circle the letter of the correct answer.
1. Objects can be sorted into groups using properties. What is a physical property of an
object?
something that can be measured without changing the composition of an object
the name of the person who owns the object
the distance between a person and the object
something that can be observed when an object is changed into a new substance
2. Length is a physical property that can be observed. The picture below demonstrates
one way to find length.
What is the length of the pen?
12.8 cm
13.5 cm
13 cm
14 cm
3. During science class, the teacher displayed a glass containing a liquid. The teacher
said the liquid was either water or colorless vinegar. Which physical property could
the students use to identify the liquid as vinegar?
color
smell
mass
volume
4. Objects can be sorted using physical properties that can be measured. Which property
can be measured using a pan balance?
hardness
length
mass
volume
5. Dottie has a blue, plastic set of alphabet letters. She decides to sort the letters using a
physical property. Which property should she use?
color
hardness
odor
shape
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Unit 7; Lesson 4 pp 273-279
“What Are the States of Matter ?”
A. Identification. Identify the following.
1- Write the vocabulary term that matches each photo and caption
Change of state
gas
liquid
Evaporation
The sun’s heat will make this water
Change to gas
evaporation
gas
These particles move very quickly and
spread out in all directions.
liquid
The water in this bottle has
A definite volume and takes the shape
of its container.
Change of state
This happen when water changes form.
2- Complete the following chart using the words in the box below:
evaporation
melting
condensation
Freezing
Ice
Freezing
________________
__
melting
________________
_____
Liquid water
________________
condensation
____
________________
evaporation
_____
Water vapor
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3- Fill in the missing information to describe each change of state.
Freezing / Melting solid to Liquid /
condensation / energy removed
evaporation /
Freezing
Liquid to solid
Energy removed
condensation
Melting solid to Liquid
Gas to liquid
__energy
removed________________
____
Energy added
evaporation
Liquid to gas
Energy added
Unit 8 Lesson1, pp 447-458
“What are some physical Changes?”
Unit 8; lesson 3 405-414
What are Some Chemical Changes ?
A. Multiple Choice. Circle the letter of the correct answer.
1. Khalil cuts a stick of butter in half. Which statement about the butter is true?
The butter has changed state.
The butter has different ingredients.
The butter has kept its shape.
The butter has different physical properties.
2. These ice cubes were taken from the freezer and set out on the counter. This picture
shows what the ice looks like
5 minutes later.
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What is causing this physical change?
Heat energy is moving from the ice to the air.
Heat energy is moving from the air to the ice.
Heat energy is causing the liquid water to freeze.
Heat energy is moving between the two ice cubes.
3. Air is a mixture that contains about 80 percent nitrogen and about 20 percent oxygen.
Which statement is true?
Oxygen is a solvent.
Nitrogen is a solvent.
The two gases cannot be separated.
The two gases can melt to form water.
4. On a hot summer day, Jenna poured juice into an ice cube tray. She put the tray into
the freezer. When she removed the tray, the juice was frozen. How many physical
changes took place from the time Jenna poured the juice until it came out of the
freezer?
1
2
3
4
5. Mario is oiling the wheels of his skateboard. He tries to wash the oil off his hands with
only water, but nothing happens. What would happen if he added a few drops of dish
soap?
The oil would stick to his hands.
The oil would change into a gas.
The oil, water, and soap would form a solution.
The soap would help break up the oil into smaller drops.
6. Which of these changes is a chemical change?
freezing
melting
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mixing
rusting
7. Ivan gets a new silver bracelet. After a few days, the bracelet tarnishes and leaves a
black ring on Ivan’s arm. What type of change does the bracelet undergo?
a chemical change
a matter change
a physical change
a property change
8. When wood burns, it changes to ash. Why is this change a chemical change?
The wood has changed in temperature.
The wood still has the same properties.
The wood has changed shape but is still wood.
The wood became a new substance with different properties.
9. Jin and Carolyn went camping. These pictures show some of the things they did.
A
C
B
D
Which picture shows a chemical change taking place?
Picture A
Picture B
Picture C
Picture D
10.When a candle burns, it appears to become smaller in size. Which statement is true?
All the changes taking place are physical changes.
All the changes taking place are chemical changes.
The mass of the matter is greater before it is burned.
The mass of the matter is the same before and after it is burned.
Unit 8; Lesson 1pp 429-439
“What Are Some Forms of Energy ?”
A. Fill in the blanks. Use the terms in the box to complete the sentences.
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Chemical change
Mixture
Chemical property
physical change
Chemical reaction
Solution
1. A change in matter in which a new substance is not formed is a physical change
2. A mixture that has the same composition throughout because all the parts are mixed
evenly is called a(n) solution.
3. A characteristic that describes how a substance will ineteract with another substance is
chemical property.
4. The picture of the salad shows a combination of two or more differenct substances in
which substances keep their own properties.
This salad is an example of a mixture
5. Any change in matter in which a new and different substances form is called a
chemical change.
6. Another name for a chemical change is a chemical reaction.
B. True or False: Write True if the statement is correct and False if it is wrong.
1. Odor, a change in color, light, heat, and gas bubbles are signs of chemical change.
True
2. Warm milk spoils slower than cold milk. False
3. The ability to rust is a chemical property of iron, but not aluminum. True
4. Leaves give off a smelly gas as they break down; the smell signals a chemical
change. True
5. Mold, cooking, burning, and rust are examples of physical change. False
Unit 9; lesson 1 429-444 What Are Some Forms of Energy ?
C. Multiple choice. Circle the letter of the correct answer.
1. Ellie plugs a radio into an electrical outlet and turns it on. What change in energy takes
place when she does this?
Light energy changes into sound energy.
Electrical energy changes into sound energy.
Sound energy changes into electrical energy.
Chemical energy changes into sound energy.
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2. Fossil fuels are the most common source of energy. What else is TRUE of fossil
fuels?
They are renewable.
They form quickly underground.
They can be made in a laboratory.
They are burned to release energy.
3. A rolling ball has kinetic energy. What does it mean for an object to have kinetic
energy?
The object is in motion.
The object has stored energy.
The object has used all of its energy.
The object is passing on its energy.
4. Objects can have potential energy because of their position. Which object has potential
energy?
book sitting on a table
hands turning on a clock
spinning wheels on a bike
flag flapping in the wind
5. Objects may have potential energy or kinetic energy. How do potential energy and
kinetic energy compare to each other?
Both describe objects at rest.
Both describe objects in motion.
Both are forms of mechanical energy.
An increase in one leads to an increase in the other
D. Use the words from the box to label each picture. Each term will be used once.
Chemical energy
potential energy
/
/
kinetic energy
Sound
/
Kinetic energy
sound
This boy has an up-and-down
motion.
you can feel the cello’s vibrations
/
light
chemical energy
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food give this bird the energy it needs to live.
Potential
The roller coaster cars go to the top of the
Hill and stop for a moment.
light
you can carry these glow sticks in the dark so people can see you.
E. TRUE OR FALSE: Write T if it is TRUE and F if it is FALSE.
1. You use energy to ride a bike. T
2. Energy is not the ability to cause movement. F
3. There are many forms of energy. T
4. Light energy is the energy you can see. T
5. Kinetic Energy is the energy in motion. T
6. Potential energy is stored energy. T
F. Matching Type. Match the forms of energy to the corresponding picture.
1. Electrical energy
2. Mechanical energy
3. Sound energy
4. Light energy
5. Chemical energy
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G. Choose words from the box to complete the Forms of Energy word web.
food
Energy
Potential energy
Chemical energy
gasoline
Mechanical energy
Kinetic energy
Energy
Chemical energy
Gasoline
Mechanical energy
food
Kinetic energy
Potential energy
Unit 9; lesson 3: pp 447-453“What is Heat ?”
A. Label each of the following as examples of conduction, convection, or radiation.
Hot water added to bath
space heater
Convection
radiation/ convection
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Iron on a decal
colthes dryer
Conduction
convection/ conduction
Sunlight through a windows
sandwich press
Radiation
conduction
B. Use the words from the box below to complete each sentence:
Conduction
transfers
heat
campfire
convection
radiation
1- How heat moves from one end of a solid to the other is conduction
2- The topic of this lesson is Heat.
3- What heat does during convection or conduction is transfers.
4- Heat moves from this source by convection and radiation campfire.
5- How heat travels through empty space radiation.
C. Write the kind of heat transfer that takes place in the following situations.
(Convection, conduction)
1- An eruption of lava on the ocean floor: convection
2- Winds blowing in from a warmer part of the country: convection
3- Feet touching a cold floor: conduction
4- Many people are building “ green” houses, which use very little energy. Some of
these houses are partially or completely underground. Why?
Soil acts as insulator , keeping the house cool in warm weather.
In winter probably helps keep the heat in, too.
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Good Luck
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