Steve Spangler Science
Dry Ice Boo Bubbles
A rather simple, but impressive activity is displayed in this Steve Spangler Science video. Dry ice, solid carbon dioxide, is used to create gas-filled bubbles. You can perform this as a demonstration when teaching chemistry classes...
Steve Spangler Science
Dry Ice Floating Bubble - Sick Science! #058
In this episode of "Steve Spangler Science" videos, the gas produced by the sublimation of carbon dioxide dry ice creates a nice, fluffy cushion in a bowl of water. Since it is less dense than a soap bubble and cool enough to keep it...
Steve Spangler Science
Acid Breath - Cool Science Experiment
An acid/base indicator that's made of blended red cabbage and water is used to demonstrate the various reactions that an acid/base solution goes through when some carbon dioxide gas is added. The best way to add the carbon dioxide is to...
MinuteEarth
How Do Trees Survive Winter?
Explore trees' strategies for surviving winters in cold climates. The first trees were built for tropical climates. As they migrated to colder climates, they adapted the capability to survive the harsher weather. The video lesson...