Across
1
Push or pull on an object
3
Chemical element in table salt
7
Unit of energy
9
Center of an atom or cell
Down
2
The Red Planet
4
Hottest planet in solar system
5
Solid with repeating atomic pattern
6
Precious yellow metallic element
8
Magnetic metallic element
10
Naturally occurring inorganic solid
11
Icy body with a tail near the sun
12
Blocking of light by a celestial body