Across
1
Unit of heredity
4
Measure of matter in an object
6
Unit of power
8
Unit of force
Down
2
Form of thermal energy
3
Second lightest element
5
Glass that splits light into spectrum
7
Our home planet
Unit of heredity
Measure of matter in an object
Unit of power
Unit of force
Form of thermal energy
Second lightest element
Glass that splits light into spectrum
Our home planet