Across
1
Magnetic metallic element
3
Our home planet
4
Tissue that contracts for movement
6
Center of an atom or cell
Down
2
Solid with repeating atomic pattern
5
Unit of energy
7
Icy body with a tail near the sun
8
Biological catalyst
Magnetic metallic element
Our home planet
Tissue that contracts for movement
Center of an atom or cell
Solid with repeating atomic pattern
Unit of energy
Icy body with a tail near the sun
Biological catalyst