Across
1
Solid with repeating atomic pattern
5
Gas essential for breathing
6
Hottest planet in solar system
7
Unit of electric potential
Down
1
Element found in all living things
2
Basic unit of life
3
Particle of light
4
Amplified beam of light
Solid with repeating atomic pattern
Gas essential for breathing
Hottest planet in solar system
Unit of electric potential
Element found in all living things
Basic unit of life
Particle of light
Amplified beam of light