Hard Science Crossword
Puzzle #11 • 15×15 grid
10
1
10
7
10
6
7
8
10
2
7
8
10
6
7
8
10
6
7
8
9
10
3
7
8
9
8
9
9
4
9
9
9
5
9
Across
1.Luminous celestial object
2.Preserved ancient remains
3.H2O liquid
4.Earth's natural satellite
5.Electromagnetic radiation
Down
6.Smallest unit of matter
7.Capacity to do work
8.Gas we breathe
9.Negatively charged particle
10.Mountain that erupts lava