Across
1
Group of similar cells
5
Push or pull on an object
6
Unit of heredity
7
Amplified beam of light
10
Smallest unit of an element
Down
2
Form of thermal energy
3
Tectonic landmass section
4
Blocking of light by a celestial body
8
Unit of energy
9
Icy body with a tail near the sun
11
Magnetic metallic element