Across
1
Solid with repeating atomic pattern
4
Particle of light
6
Form of thermal energy
7
Substance with pH above 7
10
Gas essential for breathing
Down
1
Element found in all living things
2
Measure of matter in an object
3
Basic unit of life
5
Path of a planet around the sun
8
Reddish electrical conductor
9
Absolute temperature scale unit
11
Unit of heredity