Across
1
Unit of force
4
Solid with repeating atomic pattern
5
Naturally occurring inorganic solid
10
Compound containing oxygen
11
Curved glass that refracts light
12
Unit of heredity
Down
2
Substance with pH above 7
3
Chemical element in table salt
6
Unit of electric potential
7
Blocking of light by a celestial body
8
Magnetic metallic element
9
Infectious microscopic agent