Across
1
Blocking of light by a celestial body
7
Precious yellow metallic element
8
Push or pull on an object
9
Form of thermal energy
10
Measure of matter in an object
12
Hottest planet in solar system
Down
2
Glass that splits light into spectrum
3
Ball of burning gas in space
4
Disturbance that transfers energy
5
Solid with repeating atomic pattern
6
Unit of energy
11
Biological catalyst