Explore American History documentaries, TV shows, movies and more. Choose a topic of historical interest, social studies subject, or unit study from the Subject List - great for supplementing your history lessons.
DIY Amazing Density Tower from Things Found in Your Kitchen by stevespanglerscience: Make objects float in the middle of a liquid with this amazing trick. The idea is cool, but you need a tall glass (a vase?) and lots of each liquid to make it look good.