Across
1
Tissue that contracts for movement
3
Infectious microscopic agent
5
Reddish electrical conductor
6
Precious yellow metallic element
8
Glass that splits light into spectrum
9
Basic unit of life
Down
2
Preserved remains of ancient life
4
Fourth state of matter
5
Solid with repeating atomic pattern
7
Blocking of light by a celestial body
10
Ball of burning gas in space