Lesson 1. Light, Matter, and Color

Electromagnetic radiation that you can see.

• Waves

• Sound waves

• Light

• Sun

A particle of electromagnetic radiation is called a...

• Photon

• Wavelength

• Frequency

• Light

The frequency of a light wave primarily depends on...

• The wavelength of light

• The energy of the photon

• The intensity of the light

• The loudness of the sound

An object that emits light/is a source of light is called...

• Heat

• Electromagnetic wave

• Illuminated

• Luminous

An object that is NOT a source of light/emits light is called...

• Illuminated

• Luminous

• Fire

• Wavelength

An example of a LUMINOUS object is...

• Socks

• Tree

• Fire

• Jeans

An example of an ILLUMINATED object is...

• Person sitting by a campfire

• Sock

• Tree

• Sun

How does light travel?

• Inwards in a zig-zag

• In all directions in a straight line

• Outwards in a straight line

• An electromagnetic radiation

A TRANSPARENT material is...

• Material that allows almost all the light to pass through and forms a clear image

• Material that does not allow light to pass and forms a dark image

• Material that is soft

• Material that is a wavelength

An example of a TRANSPARENT material is...

• Socks

• Window

• Paint

• Makeup