i like how they made this poster for astronomy. the continuing circles, see like sound waves, resonating through space. great choice of color also, the darkness of the background give contrast to the the circles, and the the line cutting across the circles at the middle.
Astronomy posters group project. My teacher required prep time was actually pretty minimal for this (less than an hour)! Done with first grade level students. The kids were so pleased with the results and had tons of fun doing the craft in the middle. Earth, the moon, stars, the sun, and the solar system.
International Year Of Astronomy Posters By Simon C Page