Sound waves travel through...

What is it called when a sound bounces off of an object and you can hear it over and over?

Reflection occurs when...

Refraction occurs when...

What kind of object does not allow any light to pass through it so that you cannot see through it?

Do shorter sound waves, or waves with a lower amplitude, have a higher or lower volume?

What type of lens is oval shaped, thicker in the middle, and can help magnify?

What kind of object allows some light to pass through it and allows you to see a blurry or not so clear view of what is on the other side of it?

A guitar string makes a higher pitches sound when you tighten the string. Why?

What type of lens curves inward and causes light to spread out?

What is the height of a sound wave from the midway point to the top of the wave crest that determines how loud a sound is called?

If you filled a glass with water and struck it with a metal spoon, how could you change the pitch?

What is a measure of how high or how low a sound is?