1.
When light bounces off of something
2.
When light travels through something
3.
When two plates move towards eachother
4.
When two plates move away from each other
5.
When two plates slide past each other
8.
The hot layer of Earth below the crust
9.
The loudness of a sound
11.
Moving back and forth rapidly
12.
Building blocks of life
14.
The powerhouse of the cell
15.
Create proteins for the cell
16.
The boundary of an animal cell
17.
The rigid boundary of a plant cell
18.
The height of the sun in the sky
22.
When the Northern Hemisphere is tilted towards the sun we experience...
23.
When the Southern Hemisphere is tilted towards the sun we experience...
24.
The Earth completes one of these per day
25.
When an object circles around another
