Seven-Layer Density Column: Stacking Liquids
Oil and water don’t mix. Everyone knows that. What is the scientific reason behind why don’t they mix?
Answer: Oil and water don’t mix because of how their molecules are constructed. Water is what is known as a polar molecule. A water…
The Egg Drop Challenge Comes to Coors Field
A popular activity for teachers each year is the "egg drop." Each student gets an egg and some guidelines to make a container that will protect the egg and keep it from breaking when it is dropped from high in the air.
The teacher usually…
Cleaning Up After an Oil Spill
With the oil spill in the Gulf of Mexico growing everyday, people around the country are trying to find ways to clean it up. Just imagine if the solution to the spill was this simple: sprinkle a small amount of a non-toxic powder onto the layer…
Vacuum Packed Meteorologist Stays Fresh
When you think of something being vacuum-packed, it's usually to keep the food fresh. But I won't stop at keeping just my food fresh. I decided to try it on our local morning news meteorologist, Becky Ditchfield. I thought maybe we could keep…
Mind Control or Cartesian Diver?
Is it mind control or just a clever science trick? It's a classic science experiment using an eye-dropper, a soda bottle filled with water, and some great showmanship. Explore the science and physics of Cartesian divers while amazing your friends…
Methane Mamba Tower of Bubbles
Do not try this experiment at home. This experiment is done by firefighters to demonstrate the movement of flammable gases that are lighter than air.
There are 13 gases that are lighter than air and rise. The rest of the gases sit low or…
The Incredible, Edible Exploding Egg
Do not try this at home. Instead, watch your chemistry teacher perform this demonstration.
If you know me, you know I don’t do things the easy way. I do things the explosive way. If there is a flame involved, I’m all over it. So I decided…
Easter Science – Make a Naked Egg
Chicken eggs are strong. Take an egg and hold it in your hand horizontally. You will not be able to crush it. Hold it with the ends touching your fingers and your palm, and it may burst. Egg shells are incredibly strong.
The egg shell contains…
How Much Sugar is in a Can of Soda?
The short answer is, “a lot.” A can of Coca-Cola has over 30 grams of sugar, which is equal to about 18 packets of sugar. A can of grape soda has even more than that.
Another question to ask is, "will the sugar make the can of soda sink…
50,000 volts of Electricity and a 3-Year-Old
My boys make guest appearances on TV with me occasionally, but this week I brought my 3-year-old nephew Cody to help demonstrate how people conduct electricity. If you've ever watched kids going down the slide at the park, you've seen static…
