Across
1
Molten rock beneath Earth surface
2
Positive particle in nucleus
3
Group of similar cells
6
Push or pull on an object
9
Element found in all living things
Down
2
Tectonic landmass section
4
Force that attracts objects together
5
Measure of matter in an object
7
Gas essential for breathing
8
Preserved remains of ancient life
10
Blocking of light by a celestial body