Unit 7 Quiz - Light and Optics

What is light?

• Energy carried by electricity

• Energy transferred by magnets

• Energy carried by electromagnetic waves

• Energy carried by mechanical waves

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What type of electromagnetic radiation or light can we see?

• Infrared

• Visible light

• Ultraviolet light

• All of these

Which of the following statements does NOT correctly describe light and sound waves?

• Light waves can travel in a vacuum but sound waves cannot travel in a vacuum.

• Light waves are faster than sound waves.

• The energy of light and sound waves is related to the amplitude of the wave.

• Light waves are electromagnetic waves and sound waves are mechanical waves.

Tags

NGSS.MS-PS4-1

Which type of electromagnetic radiation was important to early communication, such as Morse Code?

• Long Radio Waves

• Infrared

• UV light 

• X-Rays

Which type of electromagnetic radiation is important to Bluetooth, WiFi, GPS, weather forecasting and cellphone communication?

• Radio waves

• Microwaves

• X-Rays

• Gamma Rays

Which type of electromagnetic radiation is most often associated with thermal energy?

• Microwaves

• Infrared

• UV Light

• Gamma Rays

Tags

NGSS.MS-PS3-3

NGSS.MS-PS4-2

Why does an object appear black?

• It reflects all the color of light

• It absorbs all the colors of light

• It reflects the darkest colors of visible light (blue and violet)

• It absorbs the darkest colors of visible light (blue and violet)

Tags

NGSS.MS-PS4-2

Which type of electromagnetic radiation is most responsible for increasing the risk of skin cancer?

• Visible light

• UV light

• X-Rays

• Gamma Rays

Tags

NGSS.HS-PS4-4

Which type of electromagnetic radiation is produced by radioactive substances undergoing radioactive decay?

• Infrared

• UV light

• X-Rays

• Gamma Rays

Tags

NGSS.HS-PS1-8

Which type of electromagnetic radiation is considered the most dangerous?

• Long Radio Waves

• Microwaves

• UV light

• Gamma Rays

Tags

NGSS.HS-PS4-4