Across
1
Push or pull on an object
2
Gas form of a liquid
4
Second lightest element
5
Ball of burning gas in space
9
Our home planet
10
Blocking of light by a celestial body
Down
2
Hottest planet in solar system
3
Glass that splits light into spectrum
6
Force that attracts objects together
7
Element found in all living things
8
Basic unit of life
11
Disturbance that transfers energy