A candle and beaker of pink phenolphthalein solution are placed inside a jar. The candle is lit and the jar is capped. The flame expectedly goes out as the oxygen is depleted. After the flame is extinguished, the pink solution slowly fades to colourless. What has happened inside the jar?
Click here to go to the source of ‘Carbon Dioxide Solubility Demonstration’.
We’ve all opened a package filled with hundreds of those pesky foam peanuts. Leave it to our science guy Steve Spangler to create an unforgettable recycling lesson on the science of polystyrene. Continue reading
Show students a “special” balloon that doesn’t pop when exposed to a flame. Students will come up with very clever ideas for why the balloon doesn’t pop. But, when all is said and done, the “magic” is the result of important scientific principles involving specific heat capacity and heat transfer. Continue reading
This interesting resource shows what happens when a light bulb is placed in a microwave oven. Click on the source to get a video and Steve Spangler’s explanation of how this works.
Source: Microwave Light Bulb – SICK Science | Science Experiments | Steve Spangler Science
On this episode of The Spangler Effect, Steve prepares for Thanksgiving dinner, and the only way to do that is by practicing some of his favorite science table tricks. Continue reading
You’ve probably noticed something different about both the sunrise and sunset over the past few weeks. Steve Spangler shares the science behind this phenomenon with a simple experiment you can try at home. Continue reading
This demonstration reviews the concept of density. It examines why certain objects float or sink in water and highlights some interesting information about cola versus diet cola soft drinks.
Click here to download the complete demo
This demo is part of the STAO demo collection. Click here to check out all of them.
Bradley teaches us about decomposition reactions and catalysts with a little help from a genie in a bottle. Continue reading