Across
1
Tectonic landmass section
3
Center of an atom or cell
5
Icy body with a tail near the sun
Down
2
Our home planet
3
Unit of force
4
The Red Planet
6
Substance with pH above 7
7
Reddish electrical conductor
Tectonic landmass section
Center of an atom or cell
Icy body with a tail near the sun
Our home planet
Unit of force
The Red Planet
Substance with pH above 7
Reddish electrical conductor