Across
1
Amplified beam of light
4
Second lightest element
6
Unit of force
7
Magnetic metallic element
Down
2
Compound containing oxygen
3
Substance with pH above 7
4
Form of thermal energy
5
The Red Planet
8
Gas essential for breathing
Amplified beam of light
Second lightest element
Unit of force
Magnetic metallic element
Compound containing oxygen
Substance with pH above 7
Form of thermal energy
The Red Planet
Gas essential for breathing