Across
1
Absolute temperature scale unit
4
Center of an atom or cell
6
The Red Planet
8
Preserved remains of ancient life
9
Unit of power
Down
2
Chemical element in table salt
3
Mass per unit volume
5
Amplified beam of light
7
Unit of energy
Absolute temperature scale unit
Center of an atom or cell
The Red Planet
Preserved remains of ancient life
Unit of power
Chemical element in table salt
Mass per unit volume
Amplified beam of light
Unit of energy