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Science Corona Grade 3 3rd Term

Total questions: 139

Worksheet time: 2hrs 12mins

Name
Class
Date
1.

A force is ____.

a)

a push or pull that can cause movement

b)

a magnet

c)

when someone does not work

2.

Work is _____.

a)

using force to move an object

b)

when a magnet attracts metals

c)

not doing homework

3.

A push is ____.

a)

a force to move something away

b)

a force to pull something towards you

c)

when a magnet attracts metals

4.

A pull is _____.

a)

a force to move something towards you

b)

a force to move something away

c)

when a magnet attracts metals

5.

Gravity is ____.

a)

a force that attracts objects towards each other

b)

a force that moves objects away

c)

a push or pull

6.

Magnetism is _____.

a)

a force that pulls metals towards a magnet

b)

when you look at a magnet

c)

a force that eats magnets

7.

This is an example of ____.

a)

forces

b)

gravity

c)

magnetism

8.

This is an example of ____.

a)

gravity

b)

push

c)

pull

9.

This is an example of _____.

a)

magnetism

b)

gravity

c)

work

10.

This is an example of what force?

a)

pull

b)

push

c)

gravity

11.

This is an example of what force?

a)

push

b)

pull

c)

magnetism

12.

This is an example of ____.

a)

forces

b)

gravity

c)

magnetism

13.

A force is a _____

a)

push

b)

pull

c)

Both push and pull

d)

Object

14.
If these teams are pulling with the same amount of force what will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
15.

When we throw anything in air it always falls down because of _____

a)

Friction

b)

Gravity

c)

Solid

d)

motion

16.

What happens when you put two magnets of the same pole together?

a)

attract each other

b)

repel each other

17.

In what condition the magnetic poles attract each other?

a)

South-South

b)

North-North

c)

North-South

d)

All of the above

18.

When you rub your hand heat energy is generated because of _____

a)

Magnetism

b)

Muscular force

c)

Electrostatic force

d)

Friction

19.
What force holds the planets in motion around the sun?
a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
20.
To use force to cause something to move closer
a)
Push
b)
Pull
c)
Gravity
d)
Magnetism
21.

Which of these are examples of motion?

a)

Turning around

b)

Moving side to side

c)

Traveling

d)

All of them

22.

When you pick things up, you're _______.

a)

pushing

b)

pulling

23.

An object moves in the _________ direction a force is applied.

a)

SAME

b)

OPPOSITE

24.

Pictures on the wall is hung by tape. The pictures was found on the ground. Which force acted upon the picture, causing it to fall?

a)

gravity

b)

friction

c)

magnetism

d)

evaporation

25.

A push or pull that can change the position or motion of an object/material is --

a)

magnetism

b)

motion

c)

force

26.

If you roll a toy car on different types of material. What are you testing by rolling the car on foil, felt, or carpeted material?

a)

gravity

b)

gravity and magnetism

c)

magnetism and friction

d)

friction

27.

Friction is the _________

a)

force of attraction that causes a magnetic material to move

b)

force that acts in an opposite directions to movement

c)

act of applying force in order to move something away

28.
What is a PUSH or PULL of an object?
a)
Motion
b)
Force
c)
Friction
d)
Gravity
29.
If these boys are pulling with the same amount of force.  What will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
30.
Which of the following statements is true? 
a)
Balanced forces cause a change in motion. 
b)
Unbalanced forces cause a change in motion. 
c)
Forces do not effect the change in motion. 
31.
What are two examples of forces?
a)
Art and Music
b)
A push or pull
c)
A stand or ground
d)
The dark side and the light side
32.
What pulls a ball back to earth?
a)
Gas
b)
Gravity
c)
Friction
d)
Molecules
33.
What is a force that works AGAINST MOTION?
a)
Force
b)
Motion
c)
Gravity
d)
Friction
34.
If you pull the cord, what direction will the box move?
a)
Up
b)
Down
c)
Left
d)
Right
35.
When you type on the keys of your Chromebook you are using a
a)
pull
b)
push
c)
gravity
d)
friction
36.
A _____ moves an object closer to you.
a)
push
b)
pull
c)
friction
d)
cat
37.
How are a push and a pull alike?
a)
You can hear them both.
b)
They are both names of cats.
c)
You can do them both at the same time.
d)
They are both forces.
38.
What force moves an object away from you?
a)
pull
b)
push
c)
gravity
d)
Jedi force
39.
Another way that force can cause the change in an object's motion is to...
a)
change its color.
b)
change its pitch.
c)
change its direction.
d)
change its spots.
40.
Is gravity a push or a pull?
a)
push
b)
pull
c)
neither
d)
both
41.

(a)   is the capacity to do work.

42.

It is an energy that is stored in matter and released through chemical reactions.

a)

light energy

b)

sound energy

c)

chemical energy

d)

mechanical energy

43.

It is the energy that you can hear that is produced when something vibrates.

a)

light energy

b)

sound energy

c)

chemical energy

d)

mechanical energy

44.

It is the amount of heat in an object.

a)

thermal energy

b)

light energy

c)

sound energy

d)

chemical energy

45.

_____ is the movement of electrical charges.

a)

light energy

b)

sound energy

c)

chemical energy

d)

electrical energy

46.

It is the energy of motion.

a)

mechanical energy

b)

chemical energy

c)

sound energy

d)

light energy

47.

Energy cannot be created or destroyed but it can be transformed or changed into other forms.

a)

TRUE

b)

FALSE

48.

 

Energy of motion is which type of energy?

a)

Potential

b)

Kinetic

49.

It is a stored energy that an object has due to its position, condition or chemical make up.

a)

potential energy

b)

kinetic energy

50.

Which object shows an energy transformation from electrical to mechanical?

a)
b)
c)
d)
51.

What is energy?

a)

Force

b)

The ability to do work

c)

Electricity

d)

The ability to transform work

52.

Which type of energy is best seen in the picture?

a)

Chemical

b)

Sound

c)

Electrical

d)

Thermal

53.

What type of energy is seen here?

a)

Sound

b)

Light

c)

Thermal

d)

Mechanical

54.

What kind of energy does this device use?

a)

Mechanical

b)

Chemical

c)

Light

d)

Electrical

55.

What type of energy do we use to cook food?

a)

Light

b)

Electrical

c)

Sound

d)

Thermal

56.

_______ energy is the energy that moves objects.

a)

Thermal

b)

Electrical

c)

Mechanical

d)

Sound

57.

Sound energy is produced when an object ______.

a)

moves

b)

heats up

c)

vibrates

d)

falls

58.

A radio, siren, and television are all designed to produce ______ ______.

a)

light energy

b)

sound energy

c)

mechanical energy

d)

electrical energy

59.

What forms of energy come from the flame of a candle?

a)

Thermal and light

b)

Electrical and thermal

c)

Mechanical and light

d)

Thermal and sound

60.

What form of energy is being demonstrated?

a)

Thermal

b)

Sound

c)

Mechanical

d)

Electrical

61.
Which two forms of energy does the earth receive directly from the sun?
a)
Mechanical and thermal
b)
Light and thermal
c)
Light and sound
d)
Electrical and heat
62.
An object that contains a lot of thermal energy can be recognized because it ________________. 
a)
is moving quickly
b)
has a round shape
c)
is warm to the touch
d)
appears bright
63.
Wind turbines change wind energy into________________. 
a)
Electrical energy
b)
light energy
c)
wave energy
d)
sound energy
64.
A flashlight produces light energy by using which of the following type of energy from batteries?
a)
solar
b)
nuclea
c)
sound
d)
electrical
65.
Many common devices use this form of energy.  All of the devices that use a plug and socket like this are using what kind of energy? 
a)
Heat
b)
Light
c)
Sound
d)
Electrical
66.
This boy is using a bow and arrow.  What form of energy does a bow and arrow demonstrate? 
a)
mechanical
b)
sound
c)
thermal
d)
electrical
67.
People might use a lamp to help them see, but in many cases, the bulb gets quite warm.  The two forms of energy being produced by the lamp are _____________________________. 
a)
sound and thermal
b)
electrical and light
c)
light and thermal
d)
sound and mechanical
68.
On a hot, sunny day, what color shirt would absorb the most heat?
a)
Yellow
b)
Black
c)
White
d)
Green
69.
__________________ energy is the energy of motion or stored energy. 
a)
Electrical
b)
Sound
c)
Thermal
d)
Mechanical
70.
An object produces sound because it ____________________. 
a)
generates electrical energy
b)
causes air to vibrate
c)
reflects light from the sun
d)
absorbs heat from water
71.
Some toys require batteries in order to work.  Which type of energy is used to power these toys? 
a)
light
b)
thermal
c)
sound
d)
electrical
72.
Which of these items converts electrical energy to heat energy? 
a)
refrigerator
b)
shower
c)
hair dryer
d)
calculator
73.
All of the following produce light and thermal energy except _____________. 
a)
lamps
b)
oven
c)
bicycles
d)
candles
74.
Water flowing downhill is demonstrating what form of energy?
a)
mechanical
b)
sound
c)
light
d)
electrical
75.
What type of energy is used in a microwave to cook soup? 
a)
thermal
b)
light
c)
mechanical
d)
sound
76.
__________________ energy is made by the flow of electric charge. 
a)
thermal
b)
mechanical
c)
electrical
d)
kinetic
77.
______________ energy travels in waves. 
a)
thermal
b)
potential
c)
light
d)
electric
78.
_______________ energy is produced by vibrations. 
a)
electrical
b)
light
c)
thermal
d)
sound
79.
Which of the following uses electrical energy to produce both light and sound? 
a)
flashlight
b)
television
c)
lamp
d)
candle
80.
Students in a science class were lighting bulbs by attaching them to batteries with wires.  What form of energy were they exploring? 
a)
mechanical
b)
electrical
c)
sound
d)
thermal
81.

What form of Energy is it?

a)

Heat Energy

b)

Light Energy

c)

Sound Energy

d)

Mechanical Energy

82.

What form of Energy is it?

a)

Heat Energy

b)

Electrical Energy

c)

Sound Energy

d)

Light Energy

83.

What form of Energy is it?

a)

Mechanical Energy

b)

Light Energy

c)

Sound Energy

d)

Electrical Energy

84.

What form of Energy is it?

a)

Sound Energy

b)

Light Energy

c)

Heat energy

d)

Electrical Energy

85.

What form of Energy is it?

a)

Sound Energy

b)

Light Energy

c)

Heat energy

d)

Electrical Energy

86.

Which picture shows the conversion of Electrical energy to Light energy?

a)
b)
c)
d)
87.

Which picture shows the conversion of Electrical energy to heat energy?

a)
b)
c)
d)
88.

Which picture shows the conversion of Electrical energy to mechanical energy?

a)
b)
c)
d)
89.

Which picture shows the conversion of Mechanical energy to Electrical energy?

a)
b)
c)
d)
90.

Which picture shows the conversion of Light energy to Electrical energy?

a)
b)
c)
d)
91.
What are materials that let's all light through?
a)
Transparent
b)
Translucent
c)
Opaque 
92.
What are materials that lets some light through?
a)
Transparent
b)
Translucent
c)
Opaque
93.
What are materials that doesn't let any light through?
a)
Opaque
b)
Transparent 
c)
Translucent
94.
What happens with light when it bounces back in your eyes?
a)
Refraction
b)
Reflection
c)
Absorption
95.
1.  The intensity of light is related to the amount of light being seen.
a)
Brightness
b)
Color
c)
Visibile
96.
 What is the ability to make something move, happen, or change?
a)
Spectrum
b)
Energy
c)
Brightness
97.
What property of light passes from one type of transparent material to another, and changes direction?
a)
Reflection
b)
Refraction
c)
Absorption 
98.
In order for an object to be seen, it must either give off its own light (be a source of light) or it must reflect light.
a)
Spectrum
b)
Energy
c)
Visible
99.
What allows an object to be seen that does not produce their own light. When light strikes an object?
a)
Reflection
b)
Refraction
c)
Absorption 
100.
When light does not pass through or reflect from a material. It remains in the material as another form of energy?
a)
Reflection
b)
Absorption
c)
Refraction
101.
If white light is passed through a prism, it can be separated into light of different colors of the rainbow called the spectrum?
a)
Spectrum
b)
ROY G BIV
c)
Colors
102.
What is a piece of glass that bends white light?
a)
Visible
b)
Stain Glass
c)
Prism
103.
What is another word for rainbow?
a)
Spectrum
b)
ROY G BIV
c)
Colors
104.

The three properties of light are

a)

color, white light, absorption

b)

color, brightness, visibility

c)

brightness, reflection, refraction

d)

brightness, absorption, visibility

105.

White light can be separated into

a)

the colors of the rainbow

b)

a prism

c)

an electromagnetic wave

d)

refraction

106.

The colors of the rainbow in order

a)

red orange violet indigo green yellow

b)

red orange yellow green blue indigo violet

c)

red orange yellow green blue violet

d)

red orange green yellow blue indigo violet

107.

Define absorption

a)

the bending of light rays

b)

occurs when an object takes in light

c)

occurs when light rays bounce from a surface

108.

Define reflection

a)

the bending of light rays

b)

occurs when an object takes in light

c)

occurs when light rays bounce from a surface

109.

Define refraction

a)

the bending of light rays

b)

occurs when an object takes in light

c)

occurs when light rays bounce from a surface

110.

This object is

a)

Transparent

b)

Translucent

c)

Opaque

111.

This object is

a)

Transparent

b)

Translucent

c)

Opaque

112.

This object (the curtains) is

a)

Transparent

b)

Translucent

c)

Opaque

113.

In the morning, when the sub appears low in the sky, objects cast __________ shadows

a)

no

b)

long

c)

short

d)

dark

114.

As Earth rotates, the Sun appears higher in the sky and shadows get ___________

a)

longer

b)

shorter

c)

no

d)

darker

115.

At noon, when the sun appears to be at its highest point in the sky, objects cast ________ shadows or __________ shadows

a)

longer, no

b)

shorter, no

c)

shorter, longer

d)

longer, shorter

116.

As Earth continues to rotate and the sun appears lower in the sky toward evening, shadows get _______

a)

longer

b)

shorter

c)

no

d)

lighter

117.

Imagine you have a perfectly ripe apple sitting in front of you. What color of light is the apple reflecting?

a)

red

b)

all the colors

c)

white

d)

black

118.

Imagine you have a perfectly ripe apple sitting in front of you. What color of light is the apple absorbing

a)

red

b)

all the colors

c)

white

d)

black

119.

What object can be used to separate white light into the colors of the rainbow?

a)

magnifying glass

b)

cube

c)

prism

d)

glasses

120.

When light travels through a prism it spits the white light into _______ colours

a)

5

b)

3

c)

7

d)

9

121.

The separation of visible light into is different colours is known as __________________

a)

displays

b)

dispersion

c)

reflection

d)

refraction

122.

The separation of colours by a glass prism produces a

a)

selection

b)

arrangement

c)

colour belt

d)

spectrum

123.

When light touches the surface of a prism refraction takes place, in simple terms the light

a)

bends

b)

gets longer

c)

straightens

d)

curls up

124.

For separation of light into its component colours, the light needs to hit the prism

a)

through the air

b)

through the water

c)

straight on

d)

at an angle

125.

Apart from a prism, light can also be separated by

a)

rain drop

b)

air

c)

plastics

d)

metal

126.

Light can be dispersed artificially by

a)

rain drop

b)

air

c)

a prism glass

d)

clear plastic

127.

Natural dispersion is when _________ passes through rain drops to give rainbow.

a)

sunlight

b)

air

c)

dust

d)

snow

128.

One of these colours go at the bottom of a light separation diagram because it has the shortest wave length

a)

Red

b)

Orange

c)

Violet

d)

Green

129.

One of these colours go at the top of a light separation diagram because it has the longest wave length

a)

Red

b)

Orange

c)

Violet

d)

Green

130.

Without the sun's heat, what would happen to earth?

a)

aliens would invade

b)

the earth would explode

c)

it would be too cold to survive

131.

Which is NOT a way that heat can be produced?

a)

electricity

b)

rubbing your hands together

c)

fire

d)

rain

132.

What is the earth's main source of heat?

a)

the moon

b)

the sun

c)

the ocean

d)

forests

133.

What is a conductor?

a)

a material that heat moves through easily

b)

a material that heat does not move through easily

c)

a material that turns cold when heated

d)

a tool for measuring temperature

134.

What is an insulator?

a)

a material that heat moves through easily

b)

a material that heat does not move through easily

c)

a material that turns cold when heated

d)

a tool for measuring temperature

135.

Which of these is a better conductor?

a)
b)
136.

Which of these is a better insulator?

a)
b)
137.

Which of these is a measure of how hot or cold something is?

a)

temperature

b)

radiation

c)

insulation

d)

friction

138.

The tool used to measure temperature is called a/an

a)

insulator

b)

conductor

c)

thermometer

d)

radiation

139.

What temperature is shown on the thermometer?

a)

24°F

b)

24°C

c)

20°F

d)

30°C

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