Across
1
Our home planet
4
Solid with repeating atomic pattern
5
Particle of light
7
Center of an atom or cell
Down
2
Basic unit of life
3
Unit of force
6
Unit of power
8
Measure of matter in an object
Our home planet
Solid with repeating atomic pattern
Particle of light
Center of an atom or cell
Basic unit of life
Unit of force
Unit of power
Measure of matter in an object