Three well-known volcano types appear around the world. They are shield volcanoes, cinder cones, and composite volcanoes—which are also called stratovolcanoes. This week on Wondrium Shorts, learn to “lava” all three. http://ow.ly/25bO50JZQT0 | The Great Courses

Here is a demonstration of that classic science experiment we all know and love! Whether you first saw it watching a TV show or you were able to catch a glimpse in a school science fair, we are all familiar with the erupting volcano experiment. It is such a classic and a great one to support teaching in chemical reactions. Now we show you just how you can do it yourself, in the comfort of your own home and with recycled materials. This is perfect for keeping children of all ages engaged for hour