How does light travel and

interact with matter?

Chapter 12: Lesson 3:

What is light made up of?Electric waves Magnetic waves

Determine what is transparent, translucent and opaque.

Types of materialsTransparent

TranslucentOpaque

Allow most light to pass through them. Allow some light to

pass through them.

No light can pass through them.

Distance traveled by light from sun to earth

=90 million miles

Light travels at very high speed.

Light can travel through vacuum.

Speed of light in vacuum is faster than its speed in solid, liquid or gas.

Light travels in a straight line.