Expert Science Crossword
Puzzle #12 • 19×19 grid
1
7
11
7
9
11
2
8
9
11
7
8
9
11
8
9
11
8
3
11
8
10
11
10
4
10
10
12
10
12
5
12
12
6
Across
1.Vibration traveling through air
2.Push or pull on an object
3.Preserved ancient remains
4.Negatively charged particle
5.Celestial body orbiting a star
6.Genetic blueprint molecule
Down
7.Luminous celestial object
8.H2O liquid
9.Smallest unit of matter
10.Element in all life
11.Mountain that erupts lava
12.Basic unit of life