Across
1
Unit of heredity
2
Solid with repeating atomic pattern
7
Nerve cell in the brain
Down
2
Icy body with a tail near the sun
3
Form of thermal energy
4
Gas form of a liquid
5
Positive particle in nucleus
6
Curved glass that refracts light
Unit of heredity
Solid with repeating atomic pattern
Nerve cell in the brain
Icy body with a tail near the sun
Form of thermal energy
Gas form of a liquid
Positive particle in nucleus
Curved glass that refracts light