Easy Science Crossword
Puzzle #21 • 7×7 grid
4
5
4
5
6
1
4
5
6
2
4
5
6
3
4
5
6
4
5
4
Across
1.Earth's natural satellite
2.Slow moving ice mass
3.Vibration traveling through air
Down
4.Force pulling objects together
5.Celestial body orbiting a star
6.Smallest unit of matter