Light Waves

Which of the following is evidence that light carries energy? Select all that apply.

• a flashlight shines on a toy and causes it to move

• a flashlight shines on a star and causes it to glow in the dark

• a flashlight shines on liquid crystal sheet of paper and causes it to change colors

• a flashlight shines on the table and nothing changes

Tags

NGSS.MS-PS3-5

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What does light carry?

• Wind

• Materials

• Energy

• Nothing

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What happens when light is ABSORBED by a material?

• it is changed

• it explodes

• it always warms up

• it is always damaged

Tags

NGSS.MS-PS4-2

My car paint has changed colors over the years spent in the sunlight. Which of the following is an accurate explanation?

• Light activated the car paint, causing it to change

• Light used up the energy in the paint, causing it to change

• Light carried energy which was absorbed by the paint, causing it to change

• Light refracted from the paint, causing it to change

Tags

NGSS.MS-PS4-2

The distance between waves (between two crests OR two troughs)

• Frequency

• Amplitude

• Wavelength

Tags

NGSS.MS-PS4-1

Match these wave parts

a

b

c

d

Trough

Wavelength

Crest

Amplitude

Tags

NGSS.MS-PS4-1

To bounce off

• reflect

• transmit

• absorb

• transverse

Tags

NGSS.MS-PS4-2

If light travels towards a material but does NOT change the material (example: bounces of aluminum foil), which of the following is true of that material?

• the material ABSORBED the energy from the light

• the material did NOT absorb the energy from the light

• this is impossible; ALL materials are changed by light

Tags

NGSS.MS-PS4-2

Which statement is FALSE?

• Light carries energy

• When energy from light is absorbed, it causes changes

• Energy from light causes the same change in all types of materials

• Light is something that carries energy from one place to another

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

When sunlight is absorbed by your DNA (genetic material), what can happen according to the SIM?

• DNA is unaffected

• DNA starts growing

• DNA warms up

• DNA is damaged

Tags

NGSS.HS-LS3-2

NGSS.HS-PS4-4