10. What does 'rate' mean?

a. how often or fast something happens

12. What is the definition of 'spectrum'?

a. a pattern that describes how energy is carried from one place to another

c. a type of invisible light that is beyond violet on the spectrum

14. What is the definition of 'ultraviolet'?

b. a type of invisible light that is beyond violet on the spectrum

a. a curved line that shows the characteristics of a wave

16. What is the definition of 'waveform'?

a. a curved line that shows the characteristics of a wave

b. a pattern that describes how energy is carried from one place to another

c. the distance from one peak of a wave to the next

18. What is the definition of 'wavelength'?

c. the distance from one peak of a wave to the next

b. the maximum height of a wave

19. When light hits a material, the energy from the light can be:

d. Absorbed, transmitted, or reflected

20. Light energy's movement can be tracked by:

b. Observing changes it causes to matter

a. Using special tracking devices

21. Which statement about light travel is correct?

c. Light travels in a straight line

a. Light travels in curved paths

b. Light travels in zigzag patterns

d. Light travels in circular motions

22. When a material absorbs energy from light:

a. The material remains unchanged

24. A light source can:

d. Emit more than one type of light

b. Emit a maximum of two types of light

c. Never emit multiple types of light

25. When light is transmitted through or reflected off a material:

d. The light disappears completely

26. Materials interact with different types of light by:

c. Absorbing some types and not others

b. Reflecting all types equally

d. Always transmitting all types

27. A material's interaction with different types of light includes:

b. Transmitting or reflecting some types and not others

28. The relationship between light and material changes is:

c. Light carries energy that can cause materials to change

a. Light never causes materials to change

b. Only ultraviolet light causes changes

d. Materials only change with heat, not light

29. Your friends say that they saw a special nail polish that changes color when it is out in the sun. Can light from the sun cause the nail polish to change color?

c. Yes. The nail polish can take in energy from the light, causing it to change color.

a. No. Light is not a physical thing, so it cannot change physical things like nail polish.

b. Yes. Light from the sun can pull energy out of the nail polish, causing it to change color.

d. No. Light can only change things by warming them up, so it cannot cause the nail polish to change color.

30. Paintings in museums have to be kept away from ultraviolet light. Ultraviolet light will cause the paint to fade, but the overhead lamps in a museum won’t cause the paint to fade. Why does the ultraviolet light cause the paint to fade when light from the overhead lamps does not?

c. Because the paint can take in energy from ultraviolet light but not from the light from the overhead lamps.

a. Because ultraviolet light pulls energy out of the paint, and light from the overhead lamps does not.

b. Because ultraviolet light carries energy, and light from the overhead lamps does not.

d. Because ultraviolet light carries heat molecules, and light from the overhead lamps does not.

31. Shanika has some red marbles. She notices that sometimes the marbles get warm after being exposed to light. She wonders what type of light can cause the marbles to get warm. The table below shows what happens when different types of light hit the marbles.

b. The infrared light can cause the marbles to get warm.

a. The X-ray light can cause the marbles to get warm.

c. The red light can cause the marbles to get warm.

d. Any of these types of light can cause the marbles to get warm, because all light carries energy that can cause materials to change.

32. These graphs show the wavelength and amplitude of light coming from three lasers. Could any of these lasers be giving off a different type of light?

a. Yes. Laser 2 could be giving off a different type of light because Laser 2 has a different wavelength than Lasers 1 and 3.

b. Yes. Laser 3 could be giving off a different type of light because Laser 3 has a different amplitude than Lasers 1 and 2.

c. Yes. All three lasers must be giving off different types of light because every light source gives off its own type of light.

d. No. All three lasers must be giving off the same type of light because all three are lasers, and the same kind of light source gives off the same type of light.

33. Jayden says that the dentist can shine a special light on his teeth that will make his teeth become whiter. Can light change Jayden’s teeth?

a. Yes. Jayden’s teeth can take in energy from the light, causing them to become whiter.

b. Yes. Light can pull energy out of Jayden’s teeth, causing them to become whiter.

c. No. Light can only change things by warming them up, so it cannot cause Jayden’s teeth to become whiter.

d. No. Light is not a physical thing, so it cannot change physical things like teeth.

34. Your friend says that he heard about some rocks that would glow when they were put under a certain kind of light. Can light cause rocks to glow?

d. Yes. Rocks can take in energy from the light, causing them to glow.

a. No. Light is not a physical thing, so it cannot change physical things like rocks.

b. No. Light can only change things by warming them up, so it cannot cause the rocks to glow.

c. Yes. Light can pull energy out of the rocks, causing them to glow.

35. Aniyah has a special type of paper that can permanently change color. She wonders whether light can cause the paper’s color to change. The table below shows what happens when different types of light hit the paper. Based on this information, which type of light can cause the paper to change color?

c. The ultraviolet light can cause the paper to change color.

a. The infrared light can cause the paper to change color.

b. The X-ray light can cause the paper to change color.

d. Any of these types of light can cause the paper to change color, because all light carries energy that can cause materials to change.

Light Waves Unit Review

Authored by Celene Tinnon

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1. What word means 'to take in'?

a. absorb

b. emit

c. energy

d. frequency

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2. What does 'amplitude' mean?

a. the ability to make things move or change

b. the number of peaks of a wave that pass in a second

c. the maximum height of a wave

d. how often or fast something happens

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3. What word means 'to give off'?

a. absorb

b. emit

c. energy

d. rate

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

4. What is the definition of 'energy'?

a. the maximum height of a wave

b. a group of atoms joined together in a particular way

c. to bounce off without absorbing

d. the ability to make things move or change

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

5. What word means 'the number of peaks of a wave that pass in a second'?

a. frequency

b. rate

c. wavelength

d. spectrum

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

6. What is the definition of 'light'?

a. a group of atoms joined together in a particular way

b. anything that has mass and takes up space

c. a type of wave that carries energy from one place to another, even through empty space

d. an object that emits light

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

7. What word means 'an object that emits light?

a. spectrum

b. reflect

c. light

d. light source

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Light Waves Unit Review

1. What word means 'to take in'?

2. What does 'amplitude' mean?

3. What word means 'to give off'?

4. What is the definition of 'energy'?

5. What word means 'the number of peaks of a wave that pass in a second'?

6. What is the definition of 'light'?

7. What word means 'an object that emits light?

8. What is the definition of 'matter'?

9. What word means 'a group of atoms joined together in a particular way'?

10. What does 'rate' mean?

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