Daily Archives: September 9, 2017

This wax model volcano illustrates many of the processes that occur in real volcanoes. — This wax and sand volcano is a realistic model volcano that is easy to make and erupts much like a real volcano. The volcano is extremely simple to make and interesting to watch. Wax “lava” forms a volcano in sand, eventually erupting into the atmosphere, which is water in this […]

Wax Volcano Demonstration – A Realistic Model Volcano

This entry was posted on September 9, 2017 by Anne Helmenstine (updated on May 17, 2021)

Red Fire Pumpkin — What’s better than a regular Halloween jack o’ lantern? How about one that shoots out red fire? The red flames are easy to produce and last about an hour. They shoot up 2-3 feet into the air and range from orange to vivid red. Here’s how to do it: Red […]

Make a Halloween Pumpkin That Shoots Red Flames

This entry was posted on September 9, 2017 by Anne Helmenstine (updated on October 25, 2021)

The self-carving pumpkin demonstration involves carving a jack-o-lantern face using an explosive chemical reaction. — Self-Carving Halloween Jack-o-Lantern That Won’t Blow Up The self-carving Halloween pumpkin project uses chemistry to carve a jack-o-lantern face. The traditional version of the project is somewhat dangerous, so here’s how to perform a safe version of the project. Safe Self-Carving Pumpkin Materials If you can get it, this project […]

Safe Self-Carving Pumpkin Project

This entry was posted on September 9, 2017 by Anne Helmenstine (updated on May 17, 2021)