Across
1
Our home planet
3
Basic unit of life
6
Molten rock beneath Earth surface
Down
2
Naturally occurring inorganic solid
4
Infectious microscopic agent
5
Substance with pH below 7
7
Particle of light
8
Solid with repeating atomic pattern
Our home planet
Basic unit of life
Molten rock beneath Earth surface
Naturally occurring inorganic solid
Infectious microscopic agent
Substance with pH below 7
Particle of light
Solid with repeating atomic pattern