Hard Science Crossword
Puzzle #7 • 15×15 grid
1
7
9
7
9
2
7
9
10
7
9
10
7
8
9
10
7
8
3
10
6
8
6
8
6
4
6
5
Across
1.Preserved ancient remains
2.Capacity to do work
3.Smallest unit of matter
4.Element in all life
5.Group of bonded atoms
Down
6.Earth's natural satellite
7.Celestial body orbiting a star
8.Luminous celestial object
9.Electromagnetic radiation
10.Basic unit of life