66 results for 'puff-pop-how-to-make-a-co2-sandwich'
How to Make a CO2 Sandwich
Explore the pop factor of vinegar and baking soda.
Huff and Puff Challenge
Puff and puff, but the piece of paper won't go in the bottle. What in the air pressure is happening?
How to Keep Fizz in Your Soda
Explore the properties of carbon dioxide in your soda pop.
How to Make a Newspaper Tree
Newspapers are made from trees and trees grow...
How to Make a Folding Egg
An extension of the classic Rubber Egg experiment.
How to Make a Mentos Trigger Device
If you thought the original Mentos
How to Make Gold Pennies
Learn about the science of alloys - copper + zinc = brass
Pop Bottle Sounds
Making sounds by blowing air and tapping the glass
Pop Rocks Expander - Candy Science
Discover the secret behind the famous popping candy by mixing Pop Rocks and soda.
How to Make Giant Smoke Rings
Create a small blast of air or a giant ring of smoke!