**Experiment** Library

All Experiments

How to Make Gold Pennies

At first glance there appears to be something a bit strange about a gold penny. First, gold pennies don’t really exist. Modern day alchemists, cleverly […]

Instant Freeze Water - Bottle Slam

You put a plastic bottle of soda pop or water in the freezer for a few minutes to get it ice cold. It’s still a […]

Bouncing Smoke Bubbles (Boo Bubbles)

There’s something magical about a bubble. It’s just a little puff of air trapped in a thin film of soap and water, but its precise […]

Mysterious Water Suspension

At first glance, you might think that you’ve seen this science demonstration attempted by a friend. A glass jar is filled with water and covered […]

Floating Lemons and Sinking Limes

Scientists seem to be infatuated with objects that float and sink. Even non-scientists find great joy in dropping stuff in water to see if it […]

Pop Rocks Expander (Candy Science)

Pop Rocks is one of the greatest candy inventions of all time! You dump a few of the tiny pebbles onto your tongue and in an […]

How to Make a Folding Egg

Just imagine the look on your friends’ faces when you show them an egg and then proceed to fold it in half several times until […]

Taco Sauce Penny Cleaner

It’s one of those things you hear about but wonder if it’s true. Can you use taco sauce to clean the tarnish off of a […]

Diving Ketchup

Did you know that you can cause a packet of ketchup to rise and fall on command in a bottle of water? People might even […]

Naked Eggs

This experiment answers the age-old question, “Which came first, the rubber egg or the rubber chicken?” It’s easy to make a rubber, or “naked,” egg […]

Anti-Gravity Water

Water in rivers, in a glass, or falling from clouds obeys gravity. It’s going to fall towards the ground because of the physical pull of […]

Egg in a Bottle Trick - Water Balloon Variation

The Egg in the Bottle trick is a science classic, dating back at least a hundred years. Here’s a variation that uses a water balloon […]