Across
1
Center of an atom or cell
5
Naturally occurring inorganic solid
6
Measure of matter in an object
9
Absolute temperature scale unit
10
Tissue that contracts for movement
Down
2
Curved glass that refracts light
3
Hottest planet in solar system
4
Preserved remains of ancient life
5
Molten rock beneath Earth surface
6
Natural satellite of Earth
7
Push or pull on an object
8
Tectonic landmass section
11
Unit of force