Across
1
Infectious microscopic agent
2
Disturbance that transfers energy
5
Chemical element in table salt
6
Precious yellow metallic element
9
Fourth state of matter
10
Measure of matter in an object
Down
1
Hottest planet in solar system
3
Path of a planet around the sun
4
Center of an atom or cell
7
Molten rock beneath Earth surface
8
Gas form of a liquid