2.
the maximum height of a wave
4.
the ability to make things move or change
5.
the number of peaks of a wave that pass in a second
6.
a type of wave that carries energy from one place to another
7.
an object that emits light
8.
anything that has mass and takes up space
9.
a group of atoms joined together in a particular way
10.
how often or fast something happens
11.
to bounce off without absorbing
12.
a range of wavelengths
14.
a type of invisible light that is beyond violet
15.
to form a mental picture of something
16.
a pattern that describes how energy is carried from one place to another
17.
a curved line that shows the characteristics of a wave
18.
the distance from one peak of a wave to the next
