Across
1
Substance with pH below 7
2
Fourth state of matter
3
Molten rock beneath Earth surface
6
Unit of electric potential
Down
1
Smallest unit of an element
2
Glass that splits light into spectrum
4
Amplified beam of light
5
Our home planet
Substance with pH below 7
Fourth state of matter
Molten rock beneath Earth surface
Unit of electric potential
Smallest unit of an element
Glass that splits light into spectrum
Amplified beam of light
Our home planet