Hard Science Crossword
Puzzle #25 • 15×15 grid
6
6
1
6
6
9
6
2
9
6
9
6
8
9
3
7
8
9
7
8
9
7
8
4
7
8
10
7
8
10
7
8
10
5
10
Across
1.Electromagnetic radiation
2.Preserved ancient remains
3.Smallest unit of matter
4.Negatively charged particle
5.Genetic blueprint molecule
Down
6.Group of bonded atoms
7.Celestial body orbiting a star
8.Force pulling objects together
9.Capacity to do work
10.Basic unit of life