Across
1
Center of an atom or cell
5
Glass that splits light into spectrum
6
Push or pull on an object
9
Molten rock beneath Earth surface
10
Tectonic landmass section
11
Mass per unit volume
Down
2
Measure of matter in an object
3
Solid with repeating atomic pattern
4
Unit of heredity
7
Natural satellite of Earth
8
Reddish electrical conductor