Across
1
Our home planet
3
Gas form of a liquid
5
Magnetic metallic element
6
Center of an atom or cell
8
Solid with repeating atomic pattern
10
Push or pull on an object
12
Natural satellite of Earth
Down
1
Blocking of light by a celestial body
2
Unit of power
3
Hottest planet in solar system
4
Path of a planet around the sun
7
Element found in all living things
9
Fourth state of matter
11
Mass per unit volume