Across
1
Positive particle in nucleus
4
Substance with pH above 7
6
Gas form of a liquid
8
The Red Planet
Down
2
Element found in all living things
3
Path of a planet around the sun
5
Infectious microscopic agent
7
Amplified beam of light
Positive particle in nucleus
Substance with pH above 7
Gas form of a liquid
The Red Planet
Element found in all living things
Path of a planet around the sun
Infectious microscopic agent
Amplified beam of light