Across
1
Substance with pH below 7
4
Tectonic landmass section
5
Form of thermal energy
8
Preserved remains of ancient life
9
Natural satellite of Earth
10
Substance with pH above 7
Down
2
Unit of power
3
Naturally occurring inorganic solid
4
Glass that splits light into spectrum
6
Center of an atom or cell
7
Absolute temperature scale unit
8
Push or pull on an object