Hard Science Crossword
Puzzle #20 • 15×15 grid
1
8
8
8
6
7
2
8
10
6
7
8
10
6
7
8
9
10
6
3
7
9
10
7
9
10
7
9
10
4
9
10
7
9
10
5
Across
1.H2O liquid
2.Genetic blueprint molecule
3.Vibration traveling through air
4.Force pulling objects together
5.Push or pull on an object
Down
6.Smallest unit of matter
7.Negatively charged particle
8.Element in all life
9.Capacity to do work
10.Group of bonded atoms