Light and Sound

Material that allows light to pass through allowing you to see "clearly" to the other side

• opaque
• translucent
• transparent

Wax paper or a foggy window is an example of what type of material. 

• transparent
• translucent
• opaque

The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-

• absorbed
• stopped
• reflected
• refracted

What is light?

• waves
• energy
• the sun
• a source

Sound is caused by....

• molecules
• vibrations
• people
• space

Sound does not travel in space because

• Space is too far away.
• There is no matter in space.
• Space is the final frontier
• Space has planets.

What medium (solid, liquid, gas) does sound travel fastest through?

• solid
• liquid
• gas

A ____________shadow is formed by your notebook because it is _____________

• light, translucent

• dark, translucent

• dark, opaque

• dark, transparent

If the sun is towards your left, your shadow will be formed towards your

• left

• right

• back

• shadow will not be formed

A lion's roar is a ____________ pitch sound.

• low

• high