Oobleck is a non-Newtonian fluid. If you have no idea what that means, then you are certainly not alone. Most people wouldn’t know a Newtonian fluid if they drank it for lunch every day in the cafeteria. Let’s put this in more understandable terms. Oobleck is a...
Lava lamps are the epitome of 1970s cool. You may have had one in your own room growing up as a kind of throwback to the era of disco and bell bottoms. But did you ever think about the science behind the lava lamp? It gets the pretty colors and bubbles from the...
What is surface tension? It’s the tension in a liquid’s surface film, which takes up the least amount of space possible because of the fluid’s elasticity. The cohesion of liquid molecules keeps the surface of liquid placid and still. The particles in the liquid will...
Have you ever heard of a naked egg experiment? It’s a trick involving dissolving eggshells — one of those fun kitchen experiments that feels almost absurd to call a lesson. Everyone will want to take part in this cool activity. Why do a rubber egg experiment? It’s a...
Tornadoes are violent winds that create a funnel underneath a storm system. As the winds rotate, they often pick up speed, and eventually, they form what is called a funnel cloud — a column of water droplets, dust and other debris with a tapered shape extending from...
