Across
1
Our home planet
3
Measure of matter in an object
5
Basic unit of life
7
Glass that splits light into spectrum
Down
2
Second lightest element
4
Smallest unit of an element
6
Biological catalyst
8
Amplified beam of light
Our home planet
Measure of matter in an object
Basic unit of life
Glass that splits light into spectrum
Second lightest element
Smallest unit of an element
Biological catalyst
Amplified beam of light