Across
1
Tissue that contracts for movement
2
Precious yellow metallic element
3
Force that attracts objects together
5
Blocking of light by a celestial body
7
Fourth state of matter
Down
1
Molten rock beneath Earth surface
2
Unit of heredity
4
Icy body with a tail near the sun
6
Biological catalyst
8
Solid with repeating atomic pattern
9
Unit of electric potential
10
Ball of burning gas in space
11
Glass that splits light into spectrum
