Across
1
Ball of burning gas in space
3
Unit of force
4
Push or pull on an object
7
Fourth state of matter
8
Solid with repeating atomic pattern
11
Hottest planet in solar system
Down
2
Positive particle in nucleus
5
Magnetic metallic element
6
Blocking of light by a celestial body
9
Chemical element in table salt
10
Naturally occurring inorganic solid
12
Measure of matter in an object