Across
1
Curved glass that refracts light
4
Push or pull on an object
5
Positive particle in nucleus
7
Unit of heredity
8
Disturbance that transfers energy
Down
2
Nerve cell in the brain
3
Infectious microscopic agent
6
Natural satellite of Earth
Curved glass that refracts light
Push or pull on an object
Positive particle in nucleus
Unit of heredity
Disturbance that transfers energy
Nerve cell in the brain
Infectious microscopic agent
Natural satellite of Earth