Across
1
Precious yellow metallic element
3
Glass that splits light into spectrum
4
Our home planet
8
Nerve cell in the brain
Down
2
Second lightest element
5
Chemical element in table salt
6
Gas essential for breathing
7
Form of thermal energy
Precious yellow metallic element
Glass that splits light into spectrum
Our home planet
Nerve cell in the brain
Second lightest element
Chemical element in table salt
Gas essential for breathing
Form of thermal energy