Across
1
Magnetic metallic element
2
Tectonic landmass section
4
Precious yellow metallic element
5
Ball of burning gas in space
6
Gas essential for breathing
8
Disturbance that transfers energy
Down
2
Particle of light
3
Naturally occurring inorganic solid
7
Biological catalyst
9
Substance with pH below 7
10
Blocking of light by a celestial body