Across
1
Unit of power
3
Second lightest element
4
Absolute temperature scale unit
8
Preserved remains of ancient life
9
Unit of heredity
10
Glass that splits light into spectrum
Down
1
Disturbance that transfers energy
2
Unit of electric potential
5
Amplified beam of light
6
Magnetic metallic element
7
Basic unit of life
11
Measure of matter in an object