Across
1
Measure of matter in an object
3
Hottest planet in solar system
4
Naturally occurring inorganic solid
8
Our home planet
10
The Red Planet
Down
1
Molten rock beneath Earth surface
2
Mass per unit volume
5
Nerve cell in the brain
6
Push or pull on an object
7
Solid with repeating atomic pattern
9
Chemical element in table salt