How Much is a Kilowatt?
In an era of concern for growing levels of carbon dioxide in the atmosphere, an increasing human population, and mounting uses for electricity, an old idea makes […]
In an era of concern for growing levels of carbon dioxide in the atmosphere, an increasing human population, and mounting uses for electricity, an old idea makes […]
Just mix the two liquids together and watch closely as the foamexpands to 30 times its original size! Don’t be fooled by thelooks of the […]
Create a soap film on the rim of a bucket and, with one other simple ingredient, you will have made the world’s coolest crystal ball. […]
Warm, moist air rises in the atmosphere, cools, and beautiful, puffy clouds can be the result. Tiny water droplets become clouds of many different kinds […]
Toy manufacturers sold small air blasters that sent vortexes of air sailing across a room that surprised innocent victims and delighted not-so-innocent spectators. With a little practice, […]
What color is black? Some people answer with a simple “black,” while others respond with something like “black is the absence of all color.” If […]
There’s a lot of chemistry behind the simple lighting or extinguishing of a flame. Would you believe us if we told you that you could […]
It’s easy to turn a juice bottle into a rocket launcher. How? Grab a few straws, some modeling clay, and an empty juice bottle to […]
Rarely do you ever drink an entire 2-liter bottle of soda at one sitting. Since leftovers are inevitable, the soda tends to go flat. Besides […]
Combining two parts hydrogen with one part oxygen gets dramatic when you add a little energy. POW! This is Steve Spangler’s unique twist on combining these two gases […]
Here’s an easy-to-do experiment using only a balloon and a hex nut from the hardware store. Be sure to buy enough supplies for all of […]
What could be more fun than a potato launcher, a 14-pound sack of spuds, and a big cup of coffee? Learn about air pressure, force […]
Some things in this world just don’t mix—dogs and cats, oil and water, needles and balloons. Everyone knows that a balloon’s worst fear is a […]
If you’ve ever changed a diaper and noticed what looked like tiny crystals on the baby’s skin, you’ve uncovered the secret of superabsorbent, disposable diapers. […]
Soap bubbles that are not spherical are unusual and they don’t happen without a little help. Nature is funny like that. Square bubbles are easy to […]
This is the perfect sound effect to carry door-to-door on your trick or treat adventure.
Sometimes “clouds” are needed as a special effect to move low across a set or a stage. This creates a dramatic effect for a dream sequence, […]
How can something submerged in water stay dry? When ordinary sand gets wet, the result is a clumpy mess. However, “Magic Sand” begins as normal […]
This unforgettable hands-on learning experience is fun and easy—no wonder it’s one of Steve Spangler’s most popular experiments! Learn how to turn this activity into […]
Water Jelly Crystals are an example of a water-absorbing polymer called a hydrogel. Think of these hydrogels as long chains of molecules (called polymers) that […]
You won’t believe your eyes. Just add water to the Insta-Snow powder and watch as the liquid magically changes into fluffy snow. This realistic looking […]
The object is to balance a bunch of nails on the head of a single nail. All of the nails have to be balanced at […]
You could use your foot, your hands, or even your head (not advised) to crush a soda can. But nothing compares to the fun you’ll […]
Music has been one of the greatest inventions in human history! There’s no telling when it started or what was the first wind instrument (one […]