Lightwaves

When light waves travel farther they spread out, causing the light intensity to_____________.

• Increase

• Strengthen

• Weaken

• Decrease

What part of the light wave is this?

• The hump

• Crest

• Trough

• Wavelength

Tags

NGSS.MS-PS4-1

What part of the wavelength is this?

• Trough

• Crests

• Wavelength

• Low point

Tags

NGSS.MS-PS4-1

What is the main factor that determines the color of light?

• The medium through which it travels

• Its intensity

• Its wavelength

• Its speed

Which color of light has the highest energy?

• Red

• Green

• Blue

• Yellow

Tags

NGSS.MS-PS4-1

Match these wave parts

a

b

c

d

Trough

Crest

Amplitude

Wavelength

Tags

NGSS.MS-PS4-1

Scientists use_________ or________ to distinguish light waves from each other.

• Speed, frequency

• Wavelength, amplitude

• Wavelength, frequency

• Frequency, intensity

Tags

NGSS.HS-PS4-1

The intensity of light depends on the ______ of the light waves.

• Amplitude

• Frequency

• Speed

• Wavelength

Tags

NGSS.MS-PS4-1

When a light wave encounters an object they are…

• Reflected

• Absorbed

• Refracted

• Scattered

• Diffracted

Tags

NGSS.MS-PS4-2

What are light waves made of?

• Kinetic energy

• Newtons

• packets of photons

• Gas particles

Tags

NGSS.MS-PS1-1