Across
1
Fourth state of matter
5
Form of thermal energy
6
Center of an atom or cell
Down
2
Icy body with a tail near the sun
3
Substance with pH above 7
4
Blocking of light by a celestial body
6
Unit of force
7
Compound containing oxygen
Fourth state of matter
Form of thermal energy
Center of an atom or cell
Icy body with a tail near the sun
Substance with pH above 7
Blocking of light by a celestial body
Unit of force
Compound containing oxygen