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Gr.4 Revision (heat, light and motion)

Total questions: 84

Worksheet time: 3hrs 34mins

Name
Class
Date
1.
Light always travels in a...
a)
Curved line
b)
Zig Zag line
c)
Up and down
d)
Straight line
2.
What will happen when a pencil is placed in water? 
a)
Reflect
b)
Refract
c)
Absorb
d)
Transmit
3.
This is an example of? 
a)
Absorb
b)
Reflect
c)
Refract
d)
Transmit
4.
When light passes through a prism it?
a)
Bounces back
b)
Reflects
c)
Refracts
d)
Absorbs
5.
The taking in of light energy by an object
a)
compression
b)
reflection
c)
refraction
d)
absorption
6.
smooth, shiny surfaces
a)
reflect
b)
refract
c)
absorb
7.
The main source of light is
a)
the sun
b)
the moon
c)
the stars
d)
Jupiter
8.

What is the name of the object in the picture. Hint: it forms a rainbow

a)

lens

b)

telescope

c)

prism

d)

mirror

9.
All of the following are sources of light except...
a)
the sun
b)
a light bulb
c)
fire
d)
the moon
10.
Light bounces when it is 
a)
reflected
b)
absorbed
c)
refracted
11.
Light bends when it is 
a)
refracted
b)
reflected
c)
absorbed
12.

What behavior of light is shown in the picture?

a)

Reflection

b)

Refraction

13.

What behavior of light is shown in the picture?

a)

Reflection

b)

Refraction

14.
What color absorbs all of the color wavelengths?
a)
black
b)
white
c)
red
d)
blue
15.
The order of the colors of light are...
a)
red, orange, yellow, green, blue, indigo, violet
b)
red, yellow, orange, green, blue, indigo, violet
c)
red, orange, yellow, green, blue
d)
red, orange, yellow, green, blue, indigo
16.
Which color reflects all light?
a)
white
b)
black
c)
red
d)
blue
17.

Matter is made of very small, moving _____________.

a)

cooler

b)

particles

c)

solid

d)

evaporates

18.

Is energy that flows from something warm to something cool

a)

air

b)

Thermal energy

c)

vapor

d)

Light energy

19.

A ________________ is anything that gives off energy that particles of matter can take in.

a)

the sun

b)

water

c)

convection

d)

heat source

20.
Heat transfers from ______ objects to cold objects. 
a)
Cold
b)
Hot
c)
Convection
d)
Radiation 
21.

Which of the following is NOT a heat source?

a)
b)
c)
d)
22.
When things are hot molecules are moving...
a)
Fast
b)
Slow
c)
They are not moving
d)
They are moving by not fast or slow
23.

______________ is the main source of heat on Earth.

a)

The moon

b)

A start

c)

The Sun

d)

A planet

24.
Heat is a form of _______________.  
a)
movement
b)
energy
c)
melting
25.
Does this give off heat? 
a)
yes 
b)
no
26.
Does this give off heat?
a)
yes
b)
no
27.
Does this give off heat?
a)
yes
b)
no
28.
Does this give off heat? 
a)
yes 
b)
no
29.
Does this give off heat? 
a)
yes 
b)
no
30.
Heat moves by ______ when it travels through waves.
a)
radiation
b)
conduction
c)
insulator
d)
convection
31.
Hot coffee is stirred with a spoon, the spoon get hot due to...
a)
Conduction
b)
Convection 
c)
Radiation
32.

How many ways are there to transfer heat?

a)

1

b)

2

c)

3

d)

4

33.

____________________________ is the movement of heat within a liquid or a gas.

a)

Heat

b)

Conduction

c)

Convection

d)

Radiation

34.

____________________________ is the movement of heat between two objects that are touching.

a)

Heat

b)

Conduction

c)

Convection

d)

Radiation

35.

Each picture shows a source of heat. Which picture shows heat transfer through convection?

a)
b)
c)
d)
36.

On a warm sunny day, a lizard sits on a rock. Which word explains why the lizard feels heat from the sun?

a)

convection

b)

radiation

c)

gravity

d)

friction

37.

Mark two examples of conduction.

a)

putting your warm face in the fresh pillow

b)

a bird warming its eggs in a nest

c)

placing ice in a glass

d)

pouring water to the flowers

38.

________________ is the transfer of heat that occurs when one thing touch another one.

a)

conduction

b)

convection

c)

radiation

39.

________________ is the transfer of heat that occurs when one thing touch another one.

a)

conduction

b)

convection

c)

radiation

40.
Touching hot sand is.... 
a)
Conduction
b)
Convection
c)
Radiation 
41.
Hot air ______ while cool air ____
a)
Sinks, Rises
b)
Rises, Rises
c)
Rises, Sinks
d)
Convection, Radiation 
42.
Objects that allow energy to pass through them easily are _______
a)
Insulators
b)
Conduction
c)
Conductors
d)
None of the above
43.
Energy that does NOT need a medium to transfer heat is called...
a)
Radiation
b)
Conduction
c)
Convection
d)
Reflection
44.
what kind of heat is happening when the sun heats your body
a)
conduction
b)
convection
c)
density
d)
radiation
45.
what is the meaning of conduction
a)
when heat transfers from objects that are not touching
b)
heat rise 
c)
cold fall
d)
when heat transfers from objects that are touching
46.
The sun shines down on this family as the play on the beach.
a)
conduction
b)
convection
c)
radiation
47.
heat energy traveling through space is an example of _____
a)
convection
b)
density
c)
radiation
d)
conduction
48.
Walking on the warm sand sand with your bare feet.
a)
conduction
b)
convection
c)
radiation
49.
Warm air rises and the cool air sinks.
a)
conduction
b)
convection
c)
radiation
50.
The candle will slowly heat the metal and transfer the heat directly to the mans hand.
a)
conduction
b)
convection
c)
radiation
51.
A push or pull on an object
a)
Position
b)
Force
52.

A __________ force must touch an object to affect it .

a)

gravity

b)

contact

c)

energy

d)

full

53.
The force that pulls things toward earth.
a)
Speed
b)
Gravity
54.
A stronger push will make an object move
a)
Faster
b)
Slower
c)
Sideways
d)
Not at all
55.

The harder you push a swing , the higher and __________ it will move .

a)

paused

b)

slower

c)

faster

d)

interrupted

56.

All forces have size and __________ .

a)

shape

b)

direction

c)

mass

d)

sense

57.

How an object moves also depends on how much ________ it has .

a)

energy

b)

gravity

c)

mass

d)

capacity

58.

More _______ is needed to change the motion of an object with more mass.

a)

capacity

b)

gravity

c)

force

d)

mass

59.

The force that pulls all objects toward each other is __________.

a)

gravity

b)

energy

c)

capacity

d)

mass

60.
A force has both strength and ________.
a)
power
b)
direction
c)
color
d)
balance
61.
When Izzy and Zoe pull on the rope with the same amount of force, the forces are ________.
a)
increased
b)
unbalanced
c)
balanced
d)
decreased
62.
Why did Izzy fall when playing tug of war?
a)
he tripped
b)
unbalanced forces
c)
balanced forces
d)
he was pushed
63.

Which is an example of a contact force?

a)
b)
c)
64.

Which picture shows a non contact force?

a)
b)
c)
65.
Motion is a change in ___.
a)
time
b)
speed
c)
velocity
d)
position
66.
The location of an object.
a)
Speed
b)
Position
67.

All kind of things around you move in __________ ways .

a)

same

b)

different

c)

optional

d)

alike

68.

Motion is a change in the _______ of an object .

a)

mass

b)

weight

c)

position

d)

particles

69.

The change in one object´s position compared with another object´s position is called _________ motion.

a)

sequence

b)

optional

c)

relative

d)

consecutive

70.

You use relative motion of the objects around you to decide what is ________ and what is not.

a)

moving

b)

growing

c)

interfering

d)

referring

71.

Objects that do not move define your frame of ________ .

a)

motion

b)

stability

c)

reference

d)

energy

72.

A ________ point is a place or object used to determine if an object is in motion.

a)

clear

b)

view

c)

scattered

d)

reference

73.

The location of an object in relation to a nearby object or place.

a)

position

b)

motion

c)

speed

d)

velocity

74.

A change in position of an object.

a)

position

b)

motion

c)

speed

d)

velocity

75.

A change in an object's position is called

a)

distance

b)

direction

c)

position

d)

motion

76.

The best reference points are stationary (not moving).

a)

true

b)

false

77.

What is the best definition of motion?

a)

the distance an object moves in a certain time

b)

how fast an object moves

c)

a change in an object's position

d)

the place where an object is located

78.
A place or object used for comparison to determine if another object is in motion is called a
a)
comparison point
b)
reference point
c)
point of view
d)
motion detector
79.

Mass measures how much _________ is in an object .

a)

weight

b)

matter

c)

gravity

d)

energy

80.

Weight measures how strong the force of ________ is in an object .

a)

gravity

b)

mass

c)

energy

d)

weight

81.

Mass stays the same from one place to the next, but ________ can change.

a)

force

b)

size

c)

gravity

d)

weight

82.

An object´s mass is the same on Earth and on the moon because the amount of ________ does not change .

a)

energy

b)

matter

c)

force

d)

gravity

83.
What is the best definition for mass?
a)
how much space an object takes up
b)
how much matter an object contains
84.
Which has more mass, Earth or the Moon?
a)
Earth
b)
Moon
c)
The same

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