Build an erupting ring of fire! Says for younger students but I don't see why this wouldn't be a FUN activity with middle schoolers! Outside activities are always fun if they know exactly what they will do once they are outside! This one would be high interest!
Group Of Galaxies Called "Stephan's Quintet" (Favored Object For Amateur Astronomers With Good Hobby Telescopes). The Quintet Is A Prototype Of A Class Of Objects Known As 'Compact Groups Of Galaxies' - NASA/ESA Hubble Space Telescope
Mars Volcano Views Revealed by Spacecraft by SPACE.com Staff | October 02, 2013 Martian Volcanoes May Not be Extinct Pin It Credit: NASA The three Tharsis volcanoes (bottom, right) straddle the region dominated by Olympus Mons (top left). Scientists think the volcanoes may not be extinct, but rather dormant and waiting for a hot plume of magma to travel beneath them.