Across
1
The Red Planet
3
Form of thermal energy
5
Chemical element in table salt
6
Substance with pH above 7
7
Gas form of a liquid
8
Nerve cell in the brain
Down
2
Fourth state of matter
3
Second lightest element
4
Curved glass that refracts light
The Red Planet
Form of thermal energy
Chemical element in table salt
Substance with pH above 7
Gas form of a liquid
Nerve cell in the brain
Fourth state of matter
Second lightest element
Curved glass that refracts light