Across
1
Ball of burning gas in space
4
Molten rock beneath Earth surface
5
Absolute temperature scale unit
6
Push or pull on an object
8
Positive particle in nucleus
Down
2
Substance with pH above 7
3
Element found in all living things
7
Form of thermal energy
9
Magnetic metallic element
10
Chemical element in table salt
11
Hottest planet in solar system