Easy Science Crossword
Puzzle #5 • 7×7 grid
4
4
5
6
1
4
5
6
2
4
5
6
3
4
5
6
4
Across
1.Gas we breathe
2.Push or pull on an object
3.Vibration traveling through air
Down
4.Preserved ancient remains
5.Luminous celestial object
6.Smallest unit of matter