Leave 1/4 of Mountain dew in bottle (just dont drink it all), add a tiny bit of baking soda and 3 caps of peroxide. Put the lid on and shake! Homemade glow stick (bottle) solution. The boys will love doing this!!
Tonight beginning at 22:09 UTC, Venus will appear as a dark spot in front of the sun for the first time in eight years, and for the last time for more than a century -- the next transit of Venus won't occur until December, 2117.