Across
1
Positive particle in nucleus
4
Solid with repeating atomic pattern
5
Path of a planet around the sun
8
Unit of energy
Down
2
Naturally occurring inorganic solid
3
Unit of power
4
Basic unit of life
6
Unit of force
7
Particle of light
Positive particle in nucleus
Solid with repeating atomic pattern
Path of a planet around the sun
Unit of energy
Naturally occurring inorganic solid
Unit of power
Basic unit of life
Unit of force
Particle of light