Across
1
Element found in all living things
3
Particle of light
5
Our home planet
7
Amplified beam of light
8
Biological catalyst
Down
2
Unit of electric potential
4
Molten rock beneath Earth surface
6
Center of an atom or cell
Element found in all living things
Particle of light
Our home planet
Amplified beam of light
Biological catalyst
Unit of electric potential
Molten rock beneath Earth surface
Center of an atom or cell