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Worksheets

Waves, Light and Sound

Total questions: 30

Worksheet time: 19mins

Name
Class
Date
1.
What is reflection?
a)

Reflection is the bouncing  of light off the surface that it strikes on.

b)

Reflection is the absorbing of light off the surface that it strikes on.

c)

Reflection is the bending of light off the surface that it strikes on.

d)

Reflection is the scattering of light off the surface that it strikes on.

2.
According to the Law of reflection, a light ray striking a mirror
a)
continues moving through the mirror in the same direction
b)
moves into the mirror at a slightly different angle
c)
bounces off the mirror toward the direction it came from
d)
bounces off the mirror at the same angle it hits.
3.
Can travel through matter (gas, liquid, solid) but not space. 
a)

visible light waves

b)

sound waves

c)

electromagnetic waves

d)

Radio Waves

4.

An object that allows SOME light to pass through, but not all of it. Objects appear fuzzy/blurry on the other side

a)

translucent

b)

transparent

c)

opaque

d)

optical

5.
What is a vacuum? 
a)

A space with only air in it

b)

A space with no matter at all present

c)

A machine you use to do your chores

d)

A space where matter is present

6.

When light continues to pass through an object without changing its path

a)

reflect

b)

transmit

c)

absorb

d)

refract

7.

This image is an example of...

a)

reflection

b)

refraction

c)

absorption

d)

transmission

8.

An object that allows NO light to pass through which creates a shadow behind the object

a)

opaque

b)

transparent

c)

translucent

d)

translated

9.

This image is an example of...

a)

reflection

b)

refraction

c)

absorption

d)

transmission

10.

a)

transparent

b)

opaque

c)

translucent

11.

Which object could be opaque one moment and translucent the next?

a)

Apples

b)

Balloons

c)

Mirror

d)

Cement

12.

Sound travels FASTEST through which of these materials?

a)

A type of gas, like helium

b)

Empty space

c)

A metal such as iron

d)

Water

13.

An object that allows ALL light to pass through clearly and easily

a)

translucent

b)

opaque

c)

transparent

d)

reflect

14.

Each color of visible light has a different wavelength and frequency. Red light has the...

a)

longest wavelength and lowest frequency

b)

shortest wavelength and greatest frequency

c)

longest wavelength and greatest frequency

d)

same frequency and wavelength as violet light

15.

Each color of visible light has a different wavelength and frequency. Violet light has the...

a)

longest wavelength and lowest frequency

b)

shortest wavelength and greatest frequency

c)

longest wavelength and greatest frequency

d)

same frequency and wavelength as red light

16.

A material that reflects or absorbs visible light is...

a)

transparent

b)

transluscent

c)

opaque

17.

The brightness of a light can be determined by its...

a)

wavelength

b)

frequency

c)

speed

d)

amplitude

18.

Each color of visible light has a different wavelength and frequency. Red light has the...

a)

longest wavelength and lowest frequency

b)

shortest wavelength and greatest frequency

c)

longest wavelength and greatest frequency

d)

same frequency and wavelength as violet light

19.

If a light wave's frequency doesn't match the natural frequency of a transparent object, what will happen to the light

a)

The object will absorb the light

b)

the light will reflect off the surface

c)

The light transmit through the object

d)

The light will bend once it enters the object

20.

When light is absorbed by a material, the light...

a)

bounces off the material

b)

scatters from the material

c)

bends and travels through the material

d)

stays in the material as energy

21.

When a material appears red, that means that...

a)

all of the white light has been reflected

b)

only red light has been reflected

c)

only red light has been absorbed

d)

all light has been absorbed

22.

The brightness of a light can be determined by its...

a)

wavelength

b)

frequency

c)

speed

d)

amplitude

23.

A __________ is a substance through which a wave travels.

a)

Medium

b)

Longitudinal wave

c)

Transverse Wave

d)

Wave speed

24.

In what type of wave does the medium vibrate parallel to the direction of the wave?

a)

A surface wave

b)

A longitudinal wave

c)

A transverse wave

d)

An electromagnetic wave

25.
As the frequency of a wave increases, the __________________ decreases.
a)
amplitude
b)
resting point
c)
wavelength
d)
crest
26.

Which color has the shortest wavelengths?

a)

yellow

b)

green

c)

blue

d)

indigo

27.

What will change about the light ray when it passes from air into glass?

a)

Its speed only

b)

Its speed and direction

c)

Its frequency and direction

d)

Its frequency and speed

28.

Which wave in the diagram has the lowest frequency?

a)

1

b)

2

c)

3

d)

4

29.

A wave has a velocity of 45 m/s and a frequency of 20 Hz. What is the wave's wavelength?

a)

2.25 m

b)

900 m

c)

2.25 m/s

d)

2.25 Hz

30.

Select the correct order of waves on the EMS from low to high energy

a)

Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma

b)

Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio

c)

Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio

d)

Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma