Across
1
Compound containing oxygen
4
Measure of matter in an object
5
Our home planet
6
Tectonic landmass section
Down
2
Reddish electrical conductor
3
Glass that splits light into spectrum
4
Naturally occurring inorganic solid
7
Unit of heredity
Compound containing oxygen
Measure of matter in an object
Our home planet
Tectonic landmass section
Reddish electrical conductor
Glass that splits light into spectrum
Naturally occurring inorganic solid
Unit of heredity