Across
1
Element found in all living things
5
Naturally occurring inorganic solid
6
Infectious microscopic agent
7
Disturbance that transfers energy
8
Basic unit of life
Down
2
Unit of energy
3
Blocking of light by a celestial body
4
Our home planet
6
Hottest planet in solar system
9
Glass that splits light into spectrum
10
Positive particle in nucleus