Light and Waves Test

When light bounces off something it is known as _____________

• reflection

• refraction

• absorption

• convection

Tags

NGSS.MS-PS4-2

What type of wave is a light wave?

• A sound wave

• A seismic wave

• A electromagnetic wave

• A mechanical wave

Tags

NGSS.MS-PS4-2

What color has the longest wavelength?

• Red

• Yellow

• Blue

• Violet

What color of light is of no use to plants?

• Green because all of the green light gets reflected.

• Green because all of the green light gets absorbed.

• Red because all of the light gets absorbed.

• White because plants cannot use white light.

Tags

NGSS.MS-LS1-6

What is the absorption of light?

• Light hits an object and disappears into it.

• Light hits an object and bounces off.

• Light hits an object and changes its speed.

• Light hits an object and changes direction.

Tags

NGSS.MS-PS4-2

What color has the highest frequency?

• violet

• red

• blue

• green

Why do some objects look black?

• Light never hits those objects

• They reflect the color black.

• They absorb all wavelengths of visible light.

• They reflect every wavelength of visible light.

Tags

NGSS.MS-PS4-2

Why do some objects look white?

• They reflect all wavelengths of visible light.

• Only white light hits the object

• They reflect only white wavelengths of visible light.

• They absorb all wavelengths of visible light.

Tags

NGSS.MS-PS4-2

What are the three primary colors of light?

• Red, Green, Blue

• Green, Yellow, Blue

• Cyan, Magenta Yellow

• Cyan, Magenta, Black

A blue shirt looks blue because...

• it absorbs blue and reflects all the colors
• it reflects blue and absorbs all the other colors
• it absorbs cyan and reflects all the other colors
• it reflects cyan and absorbs all the other colors

Tags

NGSS.MS-PS4-2