Across
1
Path of a planet around the sun
4
Glass that splits light into spectrum
5
Substance with pH below 7
8
Our home planet
Down
2
Substance with pH above 7
3
Form of thermal energy
6
Ball of burning gas in space
7
Magnetic metallic element
Path of a planet around the sun
Glass that splits light into spectrum
Substance with pH below 7
Our home planet
Substance with pH above 7
Form of thermal energy
Ball of burning gas in space
Magnetic metallic element