Across
1
Push or pull on an object
3
Solid with repeating atomic pattern
4
Second lightest element
6
Unit of force
9
Hottest planet in solar system
10
Blocking of light by a celestial body
11
Preserved remains of ancient life
Down
2
Glass that splits light into spectrum
3
Basic unit of life
5
Compound containing oxygen
7
Tissue that contracts for movement
8
Naturally occurring inorganic solid