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Gr3.. CH2.. L 1,2,3 REVISION

Total questions: 70

Worksheet time: 44mins

Name
Class
Date
1.
Which type of energy does the battery produce?
a)
sound
b)
light
c)
mechanical
d)
electrical
2.
What type of energy is used to cook food in an oven?
a)
heat
b)
mechanical
3.
Heat is another name for-
a)
thermal energy
b)
electrical energy
c)
mechanical energy
4.
What type of energy does an oven produce?
a)
light 
b)
heat
c)
light and heat
d)
none of the above
5.
A candle makes heat and -
a)
ice
b)
electricity
c)
sound
d)
light
6.
What is the energy of motion called?
a)

Kinetic energy

b)

Potential energy

7.

What form of energy does the lamp use to produce light?

a)
thermal
b)
light
c)
electricity
d)
mechanical
8.
All of the following objects produce sound energy EXCEPT-
a)
A radio
b)
A flashlight
c)
A drum
d)
A television
9.
What kind of energy?
a)
Thermal
b)
Electrical
c)
Mechanical
10.
What kind of energy?
a)
Thermal
b)
Chemical
c)
Sound
11.

_____________________ is the energy that is stored in food, batteries, and fuel.

a)

Chemical Energy

b)

Electrical Energy

12.

___________________ is energy in the form of heat

a)

Mechanical Energy

b)

Thermal Energy

c)

Potential Energy

13.

___________________ is the ability to do work by movement of electric charge (electricity)

a)

Chemical Energy

b)

Potential Energy

c)

Thermal Energy

d)

Electrical Energy

14.

What type of energy allows you to see the images and texts on your cell phone screen?

a)

Sound

b)

Thermal

c)

Magnetism

d)

Light

15.

What types of energy can you find in this picture?

a)

Light and mechanical energy

b)

Light, heat, and mechanical energy

16.

_________ is the ability to do work

a)

Power

b)

Strength

c)

Energy

d)

Force

17.

Which is energy in motion?

a)

Kinetic energy

b)

Potential energy

18.

Which one is energy at rest?

a)

Kinetc energy

b)

Potential energy

19.

Potential energy + Kinetic energy = ____________

a)

Chemical energy

b)

Electrical energy

c)

Mechanical energy

d)

Thermal energy

20.

What form of energy is this?

a)

Electrical

b)

Mechanical

c)

Chemical

d)

Thermal

21.

which of the following is not an example of mechanical energy?

a)
b)
c)
d)
22.

We get __________________ energy from the radio.

a)

light

b)

sound

c)

chemical

d)

mechanical

23.

What form of energy is stored in a battery?

a)

Chemical energy

b)

Light energy

c)

Mechanical energy

d)

Heat energy

24.

Which of the following is not a form of chemical (stored) energy?

a)
b)
c)
d)

All is correct

25.

What happens to light when it strikes a mirror?

a)

it bends

b)

it goes through the mirror

c)

it gets absorbed

d)

it reflects off the mirror

26.

What happens if you hold an ice cube in your hand?

a)

cold from the ice cube transfers to your hand

b)

heat from your hand transfers to the ice cube

27.

When a football player kicks a ball, he transfers energy to the ball. What happens as a result?

a)

the ball gains kinetic energy

b)

the ball loses sound energy

c)

the ball gains light energy

28.

Which is not an example of energy causing motion?

a)

skating down a sidewalk

b)

sitting at the top of a slide

c)

running the track quickly

d)

swimming in the pool

29.
Is this a heat, light, or sound source?
a)
Light
b)
Sound
c)
Heat
30.
Is this a heat, light, or sound source?
a)
Sound
b)
Heat 
c)
Light
31.

Energy of moving electrical charges

a)
electrical energy
b)
sound energy
c)
mechanical energy
32.
Kinetic energy + potential energy
a)
electrical energy
b)
thermal energy
c)
sound energy
d)
mechanical energy
33.
What part is the arrow pointing to?
a)
Crest
b)
Trough
c)
Amplitude
d)
Wavelength
34.
What part is the arrow pointing to?
a)
Crest
b)
Trough
c)
Amplitude
d)
Wavelength
35.
What is represented by the blue lines?
a)
Trough
b)
Crest
c)
Wavelength
d)
Amplitude
36.
Which wave has a longer wavelength?
a)
A
b)
B
37.

What does a wave carry from place to place?

a)

energy

b)

matter

c)

people

38.

The distance between two corresponding parts of a wave is its

a)

amplitude

b)

frequency

c)

wavelength

d)

velocity

39.
a)

absorption

b)

diffraction

c)

reflection

d)

refraction

e)

transmission

40.
a)

absorption

b)

diffraction

c)

reflection

d)

refraction

e)

transmission

41.
Which object would be the best at reflecting light waves?
a)
windows
b)
mirrors
c)
notebooks
d)
tables
42.
When standing in the sun this behavior allows you to warm up as light and other waves hit your clothes. 
a)
Reflection
b)
Refraction
c)
Absorption
d)
Transmission
43.
Hey!  That straw looks broken.  Why?
a)
reflection
b)
refraction
c)
transmission
d)
absorption
44.
What is causing you to be able to see two sets of mountains in this picture? 
a)
refraction of light
b)
reflection of light
c)
transmission of light
d)
absorption of light
45.
What is happening in the picture?
a)
refraction
b)
reflection
c)
absorbtion
46.

This illustration best depicts which of the following behaviors?

a)

Reflection

b)

Refraction

c)

Diffraction

d)

Resonance

47.
Which wave in the diagram has the greatest wavelength?
a)
1
b)
2
c)
3
d)
4
48.
crest to crest or trough to trough
a)
crest
b)
trough
c)
amplitude
d)
wavelength
49.

What color is an object that absorbs all the colors in the light spectrum?

a)

A rainbow

b)

White

c)

Black

d)

Invisible

50.

A leaf is green. What does this tell you about the light that is being absorbed?

a)

All colors are reflected except green.

b)

All colors are absorbed except green

51.

What happens when light hits a shiny or smooth surface?

a)

It disappears.

b)

It is refracted.

c)

It is absorbed.

d)

It is reflected.

52.

What is it called when light bends as it moves from one substance to another?

a)

Absorption

b)

Reflection

c)

Refraction

d)

Incidence

53.

Which color shirt would you rather wear outside on a sunny day?

a)

black

b)

white

54.

Why does the straw appear to be bent?

a)

light is reflected

b)

light is absorbed

c)

light is turned

d)

light is refracted

55.

What is the best explanation for Mickey seeing himself in the mirror?

a)

refraction

b)

absorbed

c)

reflection

d)

flipped

56.
What does it mean to reflect?
a)
bounce off
b)
bend
c)
refract
d)
energy
57.
What does it mean to refract?
a)
bounce off
b)
to bend
c)
curve outward
d)
reflect
58.
How does light travel?
a)
in a wavy path
b)
in a straight path
c)
in a zig zag path
59.
lenses
a)
reflect
b)
refract
c)
absorb
60.

A _________ forms when the path of light is blocked?

a)

sun

b)

circle

c)

line

d)

shadow

61.

Shadow of an object is always

a)

Colourful

b)

White

c)

Black

d)

Transparent

62.

When we move an object away from the source of light, the shadow of the object _____________

a)

Become bigger

b)

Becomes smaller

c)

Remains the same

d)

None of these

63.

When green light falls on a blue object, the colour of the shadow is _______

a)

Green

b)

Blue

c)

White

d)

black

64.

Where will the tree's shadow be?

a)

A

b)

B

c)

C

65.

What color is being reflected?

a)

green

b)

blue and yellow

c)

red, orange, yellow, blue, indigo, violet

66.

Which is true about white light?

a)

it reflects all color of light

b)

it absorbs all color of light

c)

it only reflects red, blue, and yellow light

67.

The color that absorbs visible light waves is:

a)

Black

b)

White

c)

Red

d)

Violet

68.

shadows only have one color

a)

true

b)

false

69.

We can see images in _________ surfaces

a)

smooth

b)

rough

70.
Does the rose reflect or absorb red?
a)
Reflect
b)
Absorb

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