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What is a “Convection Cell”?
Colorado State UniversityAdd to list DetailsIn this demonstration, learners can observe a number of small convection cells generated from a mixture of aluminum powder and silicon oil on a hot plate. This demonstration helps learners...
Does Air Weigh Anything?
Colorado State UniversityAdd to list DetailsThe demonstration/experiment provides quick proof that air has mass. Learners measure the mass of a 2-liter bottle attached with special "Fizzkeeper" cap before and after extra air...
If Hot Air Rises, Why is it Cold in the Mountains?
Colorado State UniversityAdd to list DetailsThis demonstration/activity helps learners understand why higher elevations are not always warm simply because "hot air rises." Learners use a tire pump to increase the pressure and...
What Causes Pressure?
Colorado State UniversityAdd to list DetailsIn this kinesthetic activity that demonstrates pressure, learners act as air molecules in a "container" as defined by a rope. Learners explore how air molecules move in different...
Balloon Inside a Bottle
Colorado State UniversityAdd to list DetailsIn this activity about phase change and condensation, learners boil water in an empty pop bottle in the microwave. Then, learners stretch a balloon over the mouth of the bottle and will be...
Imploding Pop Can
Colorado State UniversityAdd to list DetailsIn this dramatic activity/demonstration about phase change and condensation, learners place an aluminum can filled with about two tablespoons of water on a stove burner. When steam begins to exit...