Hard Science Crossword
Puzzle #9 • 15×15 grid
8
1
7
8
7
8
7
8
7
8
9
10
7
8
9
10
6
7
8
9
10
6
3
7
8
9
10
6
9
6
9
4
5
Across
1.Negatively charged particle
2.Earth's natural satellite
3.Vibration traveling through air
4.Celestial body orbiting a star
5.Element in all life
Down
6.Basic unit of life
7.Slow moving ice mass
8.Group of bonded atoms
9.Capacity to do work
10.Smallest unit of matter