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Light, Color, and the EM Spectrum

Total questions: 45

Worksheet time: 23mins

Name
Class
Date
1.

What are the primary colors of light? Select THREE answers.

a)

Blue

b)

Green

c)

Yellow

d)

Red

e)

Magenta

2.

What are the secondary colors of light? Select THREE answers.

a)

Blue

b)

Cyan

c)

Yellow

d)

Red

e)

Magenta

3.

Which color is the lowest frequency?

a)

Blue

b)

Green

c)

Yellow

d)

Red

e)

Violet

4.

Which color is the highest frequency?

a)

Blue

b)

Green

c)

Yellow

d)

Red

e)

Violet

5.

Red light + Green light =

a)

Cyan Light

b)

Brown Light

c)

Yellow Light

d)

Magenta Light

6.

Blue Light + Green Light =

a)

Cyan Light

b)

Green Light

c)

Yellow Light

d)

Magenta Light

7.

Red Light + Blue Light =

a)

Purple Light

b)

Cyan Light

c)

Yellow Light

d)

Magenta Light

8.

Which color reflects all colors of light?

a)

White

b)

Black

c)

Brown

d)

Grey

9.

Which color absorbs all colors of light?

a)

White

b)

Black

c)

Brown

d)

Grey

10.

Under a BLUE light, a BLUE object will look...

a)

White

b)

Black

c)

Blue

d)

Red

11.

Which region of the EM spectrum has the HIGHEST frequencies?

a)

Radio Waves

b)

Gamma Rays

c)

X-Rays

d)

Ultraviolet (UV) Light

12.

Under a RED light, a BLUE object will look...

a)

Red

b)

Blue

c)

Black

d)

White

13.

All electromagnetic (EM) waves are...

a)

Transverse Waves

b)

Compressional Waves

c)

Longitudinal Waves

d)

Mechanical Waves

14.

Sound waves are...

a)

Transverse Waves

b)

Radio Waves

c)

Longitudinal Waves

d)

Electromagnetic Waves

15.

All electromagnetic waves travels at what speed?

a)

300 m/s

b)

30,000 m/s

c)

3,000,000 m/s

d)

300,000,000 m/s

16.

Which electromagnetic wave travels the FASTEST?

a)

Radio Waves

b)

Visible Light

c)

Ultraviolet Light

d)

Gamma Rays

e)

All travel at the SAME SPEED

17.

Which region of the electromagnetic spectrum has the LONGEST wavelengths?

a)

Gamma Rays

b)

Infrared Light

c)

Visible Light

d)

Radio Waves

18.

The only region of the electromagnetic spectrum we can see is...

a)

Microwaves

b)

Visible Light

c)

Infrared Light

d)

X-Rays

19.

Which part of the electromagnetic spectrum falls between visible light and X-rays?

a)

Microwaves

b)

Ultraviolet (UV) Light

c)

Gamma Rays

d)

Infrared Light

20.

Under RED light, GREEN grass looks...

a)

White

b)

Red

c)

Green

d)

Black

21.

Which part of the electromagnetic spectrum falls between radio waves and infrared light?

a)

Gamma Rays

b)

Visible Light

c)

Microwaves

d)

X-Rays

22.

This type of light is used for cooking food, sending cell phone signals, and radar.

a)

Radio Waves

b)

Microwaves

c)

Infrared Light

d)

Ultraviolet (UV) Light

23.

This type of light is used for airport luggage screening and medical imaging.

a)

X-Rays

b)

Microwaves

c)

Infrared Light

d)

Ultraviolet (UV) Light

24.

For a person to see an object, light must...

a)

Pass through the object (transmission)

b)

Be absorbed into the object

c)

Bounce off the object (reflection)

d)

Change mediums and bend (refraction)

25.

This type of light helps you make vitamin D, can kill bacteria, and can cause sunburn and eye damage

a)

Radio Waves

b)

Gamma Rays

c)

X-Rays

d)

Ultraviolet (UV) Light

26.

This type of light is used in night vision goggles, your TV remote, and heat imaging cameras.

a)

Radio Waves

b)

Infrared Light

c)

Ultraviolet (UV) Light

d)

X-Rays

27.

If you shine a MAGENTA light on a CYAN balloon, it will look...

a)

Blue

b)

Red

c)

Black

d)

Green

28.

If you shine a RED light on a YELLOW flower, it will look...

a)

Yellow

b)

Red

c)

Green

d)

Black

29.

If you shine a GREEN light on a MAGENTA t-shirt, it will look...

a)

Red

b)

Blue

c)

Green

d)

Black

30.

If you shine a YELLOW light on a RED apple, it will look...

a)

Yellow

b)

Red

c)

Black

d)

Green

31.

What is this?

a)

Transmission

b)

Absorption

c)

Reflection

d)

Refraction

e)

Scattering

32.

What is this?

a)

Transmission

b)

Absorption

c)

Reflection

d)

Refraction

e)

Scattering

33.

What is this?

a)

Transmission

b)

Absorption

c)

Reflection

d)

Refraction

e)

Scattering

34.

What is this?

a)

Transmission

b)

Absorption

c)

Reflection

d)

Refraction

e)

Scattering

35.

What is this?

a)

Transmission

b)

Absorption

c)

Reflection

d)

Refraction

e)

Scattering

36.

Lenses...

a)

Reflect Light

b)

Refract Light

c)

Absorb Light

d)

Scatter Light

37.

Mirrors...

a)

Reflect Light

b)

Refract Light

c)

Absorb Light

d)

Scatter Light

38.

This mirror is...

a)

Convex and converges light

b)

Concave and converges light

c)

Convex and diverges light

d)

Concave and diverges light

39.

This mirror is...

a)

Convex and converges light

b)

Concave and converges light

c)

Convex and diverges light

d)

Concave and diverges light

40.

This lens is...

a)

Convex and converges light

b)

Concave and converges light

c)

Convex and diverges light

d)

Concave and diverges light

41.

This lens is...

a)

Convex and converges light

b)

Concave and converges light

c)

Convex and diverges light

d)

Concave and diverges light

42.

Which of these are ionizing radiation? Select TWO answers.

a)

Gamma Rays

b)

Microwaves

c)

Ultraviolet (UV) Light

d)

Infrared Light

43.

This image in this mirror is...

a)

Right side up and smaller

b)

Right side up and larger

c)

Right side up and the same size

d)

Upside down

44.

This image in this mirror is...

a)

Right side up and smaller

b)

Right side up and larger

c)

Right side up and the same size

d)

Upside down

45.

This image in this mirror is usually...

a)

Right side up and smaller

b)

Right side up and larger

c)

Right side up and the same size

d)

Upside down