Across
1
Infectious microscopic agent
5
Fourth state of matter
7
Form of thermal energy
10
Hottest planet in solar system
11
Solid with repeating atomic pattern
Down
2
Force that attracts objects together
3
Path of a planet around the sun
4
Ball of burning gas in space
6
Gas form of a liquid
8
Particle of light
9
Measure of matter in an object