Across
1
Icy body with a tail near the sun
4
Unit of power
5
Center of an atom or cell
8
Biological catalyst
Down
2
Chemical element in table salt
3
Tectonic landmass section
6
Ball of burning gas in space
7
Second lightest element
Icy body with a tail near the sun
Unit of power
Center of an atom or cell
Biological catalyst
Chemical element in table salt
Tectonic landmass section
Ball of burning gas in space
Second lightest element