Across
1
Disturbance that transfers energy
4
Particle of light
6
Solid with repeating atomic pattern
7
Push or pull on an object
10
Ball of burning gas in space
13
Molten rock beneath Earth surface
14
Path of a planet around the sun
Down
2
Gas form of a liquid
3
Blocking of light by a celestial body
5
Force that attracts objects together
8
Precious yellow metallic element
9
Curved glass that refracts light
11
Chemical element in table salt
12
The Red Planet