Across
1
Preserved remains of ancient life
5
Disturbance that transfers energy
7
Curved glass that refracts light
Down
2
Unit of force
3
Fourth state of matter
4
Absolute temperature scale unit
6
The Red Planet
8
Unit of heredity
Preserved remains of ancient life
Disturbance that transfers energy
Curved glass that refracts light
Unit of force
Fourth state of matter
Absolute temperature scale unit
The Red Planet
Unit of heredity