Across
1
Tissue that contracts for movement
3
Unit of power
5
Ball of burning gas in space
6
Blocking of light by a celestial body
7
Natural satellite of Earth
Down
2
Our home planet
4
Center of an atom or cell
6
Biological catalyst
Tissue that contracts for movement
Unit of power
Ball of burning gas in space
Blocking of light by a celestial body
Natural satellite of Earth
Our home planet
Center of an atom or cell
Biological catalyst