Exploring Acids and Bases with Red Cabbage

Exploring Acids and Bases with Red Cabbage

Use an indicator made from red cabbage juice to determine whether household products are acids or bases.

Exploring Acids and Bases with Red Cabbage

 

 

 

Build an Electric Motor

Build an Electric Motor

Most plastics are made in factories, but here's one you can make at home.

Build an Electric Motor

Floating Soap Bubbles

Floating Soap Bubbles

Use a heavier than air gas to suspend soap bubbles. This will allow you to more closely examine the unique properties of bubbles .

Floating Soap Bubbles

 

Chemmiluminescence - Cool Light

Chemmiluminescence - Cool Light

Ever played with a Lightstick? In this activity you examine the chemiluminescent reaction that makes a Lightstick glow in the dark.

Chemmiluminescence - Cool Light

Dancing Raisins

Dancing Raisins

Use ordinary clear soda to make raisins dance. Learn what's in soda that gives it fizz, and what causes things that are heavier than water to float.

Daning Raisins

 

Floating and Sinking Bowling Balls

Floating and Sinking Bowling Balls

Will a bowling ball sink or float in water? The answer seems obvious, but this experiment will show otherwise.

Floating and Sinking Bowling Balls

Layered Liquids

Chemmiluminescence - Cool Light

Use common liquids you can find around your house to make a density column and a rainbow in a glass.

Layered Liquids

 

Remove Tarnish From Silver

Remove Tarnish From Silver

Clean the tarnish off of silverware. You don't need expensive cleaners, just this experiment.

Remove Tarnish From Silver

Build an Electric Motor

Build an Electric Motor

Some wire, a couple of magnets, and a battery – and you can build your own electric motor.

Build an Electric Motor

 

Bernoulli's Principle

Bernoulli's Principle

The power of wind is harnessed in this experiment. Suspend a balloon in air without using your hands!

Bernoulli's Principle

Rubber Bands and Heat

Rubber Bands and Heat

In this activity you will examine the behavior of rubber as it is affected by heat, a form of energy.

Rubber Bands and Heat

 

Making Things Glow in the Dark

Making Things Glow in the Dark

What makes certain materials "glow" under a black light? This experiment will tell you why.

Making Things Glow in the Dark

Candy Chromatography

Candy Chromatography

The color of many candies come from dyes. This experiment will separate some of those dyes out using a process called chromatography.

Candy Chromatography

 

Fizzing and Foaming

Fizzing and Foaming

With just a few household chemicals you can turn a glass of colored liquid into a froth that overflows its container.

Fizzing and Foaming

Needle Through a Balloon

Needle Through a Balloon

What is the easiest way to pop a balloon? With a needle of course. Is there a way to put a needle into a balloon without popping it?

Needle Through a Balloon

 

Fireproof Balloon

Fireproof Balloon

A fire can weaken the rubber in a balloon and cause it to burst. In this experiment you will find out how you can hold a balloon directly in a flame without breaking it.

 

Fireproof Balloon

Soft Water and Suds

Soft Water and Suds

Many people have water softeners in their houses. What is the purpose of a water softener? What does it mean to have "hard" water?

Soft Water and Suds

 

The Collapsing Can

The Collapsing Can

How much force does it take to crush an aluminum can? Is there a way to crush a can using only air pressure?

 

The Collapsing Can

Lumpy Liquids and Squishy Solids

Lumpy Liquids and Squishy Solids

Have you ever turned a liquid into a solid just by tapping on it? In this experiment you will make a liquid that behaves in a very unpredictable way.

Lumpy Liquids and Squishy Solids

 

Sinking and Floating Soda Cans

The Collapsing Can

Next time you're at a picnic, look at the soda cooler: some cans float, while others sink. Do this experiment to understand why.

Sinking and Floating Soda Cans

Blue Sky, Red Sunset

Blue Sky, Red Sunset

Why does the sky look red during sunrises and sunsets? We can learn why during this experiment.

Blue Sky, Red Sunset

 

The Cartesian Diver

The Cartesian Diver

Create a "cartesian diver" inside a 1 or 2 liter plastic bottle. This diver will sink or float on command!

The Cartesian Diver

Bending Water

Bending Water

Static electricity can be a problem whenever the humidity is low. In this experiment you will use static electricity to "bend" water.

Bending Water

 

Egg in a Bottle

Egg in a Bottle

Even though the egg is bigger than the opening of the bottle,  you can get the egg to go into the bottle without touching it.

Egg in a Bottle

Electrical Conductivity of Solutions

Electrical Conductivity of Solutions

Build your own apparatus to test the electrical conductivity of solutions!

Electrical Conductivity of Solutions