Across
1
Fourth state of matter
3
Element found in all living things
4
Unit of power
8
Biological catalyst
9
Reddish electrical conductor
10
Hottest planet in solar system
11
Push or pull on an object
Down
2
Basic unit of life
3
Icy body with a tail near the sun
5
Molten rock beneath Earth surface
6
Group of similar cells
7
Chemical element in table salt