Hard Science Crossword
Puzzle #19 • 15×15 grid
1
7
8
9
7
8
9
10
7
8
2
9
10
7
8
9
10
7
9
10
3
7
10
6
10
6
10
6
4
6
6
5
Across
1.Force pulling objects together
2.Our solar system's star
3.Vibration traveling through air
4.Celestial body orbiting a star
5.Group of bonded atoms
Down
6.H2O liquid
7.Preserved ancient remains
8.Earth's natural satellite
9.Electromagnetic radiation
10.Mountain that erupts lava