Light Waves

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

• reflected

• penetrated

• absorbed

• surrounded

Tags

NGSS.MS-PS4-2

Light carries energy that causes materials to change.

• True

• False

Tags

NGSS.MS-PS4-2

Key concept: Light Travels in a..

• curved path

• straight line

• zig-zag pattern

• wave

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

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

• Frequency

• Amplitude

• Wavelength

Match these wave parts

a

b

c

d

Amplitude

Trough

Wavelength

Crest

Tags

NGSS.MS-PS4-1

When a material absorbs energy from light,

• the energy causes the material to cool down.

• there is no effect on the material.

• the energy causes the material to heat up.

• the energy causes the material to change.

Tags

NGSS.MS-PS1-4

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

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.MS-LS3-1

Which wave has the greatest amplitude?

• The blue wave

• The red wave

Tags

NGSS.MS-PS4-1

Which letter represents wavelength?

• A

• B

• C

• D

Tags

NGSS.MS-PS4-1