Across
1
Form of thermal energy
3
Fourth state of matter
5
Hottest planet in solar system
6
Gas essential for breathing
7
Gas form of a liquid
Down
2
Measure of matter in an object
3
Particle of light
4
Disturbance that transfers energy
Form of thermal energy
Fourth state of matter
Hottest planet in solar system
Gas essential for breathing
Gas form of a liquid
Measure of matter in an object
Particle of light
Disturbance that transfers energy