Across
1
Unit of power
3
Glass that splits light into spectrum
5
Biological catalyst
7
Hottest planet in solar system
8
Our home planet
9
Curved glass that refracts light
Down
1
Disturbance that transfers energy
2
Path of a planet around the sun
4
Smallest unit of an element
6
Absolute temperature scale unit
10
Element found in all living things
11
Unit of energy