Across
1
Precious yellow metallic element
3
Second lightest element
5
Center of an atom or cell
6
Amplified beam of light
Down
2
Tissue that contracts for movement
4
Push or pull on an object
7
Biological catalyst
8
Reddish electrical conductor
Precious yellow metallic element
Second lightest element
Center of an atom or cell
Amplified beam of light
Tissue that contracts for movement
Push or pull on an object
Biological catalyst
Reddish electrical conductor