Across
1
Ball of burning gas in space
4
Gas essential for breathing
6
Particle of light
Down
2
Nerve cell in the brain
3
Unit of electric potential
5
Solid with repeating atomic pattern
7
Tissue that contracts for movement
8
Unit of force
Ball of burning gas in space
Gas essential for breathing
Particle of light
Nerve cell in the brain
Unit of electric potential
Solid with repeating atomic pattern
Tissue that contracts for movement
Unit of force