Light Waves

What is this called?

• Ray of light

• Light

• The Electromagnetic Spectrum

• Color

______________ determines how bright a light is.

• Frequency

• Wavelength

• Color

• Amplitude

A laser is (select all correct answers)

• One wavelength of light

• Only a cat toy

• Used only at grocery stores

• A beam of light focused in one direction

• Used to read CD's and DVD's

An object that lets no light through is?

A translucent object

• Is my hand

• Is a window

• Let's some light through

A transparent object

(select all correct answers)

• Can be seen through clearly

• Is a table

• Is a window

• Is also opaque