Across
1
Element found in all living things
2
Fourth state of matter
3
Natural satellite of Earth
7
Gas essential for breathing
Down
2
Particle of light
4
Unit of power
5
Hottest planet in solar system
6
Gas form of a liquid
Element found in all living things
Fourth state of matter
Natural satellite of Earth
Gas essential for breathing
Particle of light
Unit of power
Hottest planet in solar system
Gas form of a liquid