Electromagnetic Waves

Electromagnetic Waves vary in

• the speed they travel in a vacuum

• wavelength and frequency

• the way they reflect

• their direction

Tags

NGSS.HS-PS4-1

Light acts as a

• wave

• particle

• both wave and a particle

• neither wave nor particle

Tags

NGSS.HS-PS4-3

Which of the following occurs as light travels farther from its source?

• photons spread over a small area

• the intensity of light increases as photons move away from the source

• the source gives off less light as photons move away from it

• farther from the source photons spread over a larger area

x ray photographs show softer tissue as

• light areas

• dark areas

• they don't show it at all

• the same as dense bones

Tags

NGSS.HS-PS4-4

infrared rays have a shorter wavelength than

• UV

• Red light

• x rays

• microwaves

Tags

NGSS.HS-PS4-1

in order of the light transmitting capabilities of materials from none to all, which is the correct sequence?

• transparent, opaque, translucent

• translucent, transparent, opaque

• opaque, translucent, transparent

• opaque, transparent, translucent

Tags

NGSS.MS-PS4-2

The waves with the longest wavelengths in the electromagnetic spectrum are

• infrared

• uv

• gamma rays

• radio waves

cellular tellophones utilize

• radio waves

• microwaves

• x rays

• cancer causing rays

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-5

Cell phones do not cause cancer because they lack enough

• Momentum

• Photons

• Radio Frequency Energy

• Frequency

Tags

NGSS.HS-PS4-4

The portion of the electromagnetic spectrum that your eye can detect is found between

• IR and UV

• X and Gamma rays

• radio and microwaves

• microwaves and IR

Tags

NGSS.HS-PS4-4