Light Waves review

What can you see in a room that has no visible light?

• Only bright colored objects

• Only dark colored objects

• Only white objects

• Nothing at all

Light must be _______________ in order for the material to be affected by light.

• reflected

• penetrated

• absorbed

• surrounded

Tags

NGSS.MS-PS4-2

When a material allows light to pass through it,

• the material reflects the light and changes

• the material absorbs the light and doesn't change

• the material transmits the light and doesn't change

• material transmits the light and changes

Tags

NGSS.MS-PS4-2

The bouncing back of a light ray after hitting a surface is known as...

• diffraction
• refraction
• rebounding
• reflection

Tags

NGSS.MS-PS4-2

How are we able to perceive an object as being the color white?

• All colors of visible light are absorbed by an object and then reflected into our eye.

• All colors of visible light are reflected off an object and then to our eye.

• All colors of visible light are absorbed by an object and no light is being reflected into our eye.

What is the amplitude of this model wave?

• 0mm

• 5cm

• 15cm

• 10mm

Tags

NGSS.MS-PS4-1

Which wave has the greatest amplitude?

• The blue wave
• The red wave

Tags

NGSS.MS-PS4-1

1. 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?

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

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

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

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

Tags

NGSS.MS-PS4-2

NGSS.MS-PS1-4

NGSS.MS-PS3-5

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?

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

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

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

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

Tags

NGSS.MS-PS4-2

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?

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

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

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

• 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.

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1