Across
1
The Red Planet
3
Compound containing oxygen
5
Amplified beam of light
6
Our home planet
Down
2
Glass that splits light into spectrum
3
Gas essential for breathing
4
Unit of heredity
7
Particle of light
8
Unit of electric potential
The Red Planet
Compound containing oxygen
Amplified beam of light
Our home planet
Glass that splits light into spectrum
Gas essential for breathing
Unit of heredity
Particle of light
Unit of electric potential