Across
1
Unit of power
2
Fourth state of matter
3
Disturbance that transfers energy
8
Chemical element in table salt
9
The Red Planet
Down
2
Tectonic landmass section
4
Smallest unit of an element
5
Hottest planet in solar system
6
Basic unit of life
7
Molten rock beneath Earth surface
10
Icy body with a tail near the sun
11
Measure of matter in an object