Across
1
Basic unit of life
2
The Red Planet
3
Unit of power
4
Group of similar cells
6
Our home planet
8
Chemical element in table salt
10
Blocking of light by a celestial body
11
Disturbance that transfers energy
Down
1
Solid with repeating atomic pattern
2
Tissue that contracts for movement
5
Form of thermal energy
7
Push or pull on an object
9
Infectious microscopic agent