Across
1
Tectonic landmass section
3
Measure of matter in an object
5
Element found in all living things
Down
1
Positive particle in nucleus
2
Molten rock beneath Earth surface
4
Mass per unit volume
6
Push or pull on an object
7
The Red Planet
Tectonic landmass section
Measure of matter in an object
Element found in all living things
Positive particle in nucleus
Molten rock beneath Earth surface
Mass per unit volume
Push or pull on an object
The Red Planet