Across
1
Magnetic metallic element
4
Curved glass that refracts light
7
Second lightest element
8
Unit of force
Down
2
Substance with pH below 7
3
Preserved remains of ancient life
5
Substance with pH above 7
6
Blocking of light by a celestial body
Magnetic metallic element
Curved glass that refracts light
Second lightest element
Unit of force
Substance with pH below 7
Preserved remains of ancient life
Substance with pH above 7
Blocking of light by a celestial body