Wave Interactions

Sound travels fastest through what type of mediums?

• pond water

• cold air

• iced tea

• wooden desk

Which of the following is the best example of reflection?

• Your voice echoing back when you shout into a canyon

• When two waves interact and increase in amplitude

• When two waves interact and decrease in amplitude

• waves enter a narrow entrance to a harbor and spread out

What medium does sound travel the fastest through?

• solid

• liquid

• gas

• empty space

Sounds cannot travel through .......

• A gas

• A liquid

• A solid

• A vacuum

When does light refract?

• When light travels in a vacuum.

• When light moves through cold air.

• When light travels in only one medium.

• When light moves from one medium to another.

What type of material is used to make a stained glass window?

• opaque

• reflective

• transparent

• translucent

What does it mean to refract?

• bounce off

• to bend

• curve outward

• reflect

This image represents what kind of wave behavior?

• Diffraction

• Reflection

• Refraction

• Resonance

Light refracts when:

• it Changes speed

• it changes from a particle to a wave

• its density changes

• it encounters an opaque object

The laser light bends as it passes from the air into the solid block and it bends again as it passes out the other. This is an example of which wave behavior? 

• Diffraction 

• Destructive Interference

• Reflection

• Refraction