Across
1
Push or pull on an object
4
Path of a planet around the sun
5
Gas essential for breathing
8
The Red Planet
9
Tissue that contracts for movement
Down
2
Gas form of a liquid
3
Unit of force
6
Magnetic metallic element
7
Chemical element in table salt
10
Icy body with a tail near the sun
11
Tectonic landmass section