1.
Sound is a type of energy that travels in ___.
2.
Sound travels through ___.
3.
The unit of measurement of sound is ___.
4.
Sound is created by ___.
5.
The first state of matter is ___.
6.
The second state of matter is ___.
7.
The third state of matter is ___.
8.
Sources of sound we find in nature are ___ sources of sound.
9.
___ sources of sound are those made by humans, like instruments or machines.
10.
Sound waves enter the ear and travel through the ear ___.
11.
The sound waves reach the ___, causing it to vibrate.
12.
___ refers to how high or low a sound is.
13.
___ is how strong or soft a sound is.
