Easy Science Crossword
Puzzle #7 • 7×7 grid
4
5
6
1
4
5
6
2
4
5
6
3
4
5
6
4
Across
1.Celestial body orbiting a star
2.Vibration traveling through air
3.Negatively charged particle
Down
4.H2O liquid
5.Basic unit of life
6.Luminous celestial object
Puzzle #7 • 7×7 grid