Calcium carbonate is a chemical found in eggshells, seashells, and many other materials. Observe how calcium carbonate reacts with common liquids.
Plaster is made from calcium chemicals. When mixed with water, it hardens, making it great for building materials. See how well calcium works when it gets mixed with other liquids.
Make a bubbling chemical reaction out of baking soda, vinegar… and a little gas.
Some chemical reactions make things that we can’t see. So how do we know something is there? See for yourself.
All chemical reactions have one thing in common: temperature change. Learn the difference between chemical reactions that cause temperature to go up or down.
Carbon dioxide is one of life’s most essential gases. Make a chemical reaction using vinegar acid to see how much carbon dioxide is in the atmosphere.
Did you know oxygen causes things to rust? Well… sort of. Observe this rusting chemical reaction to see how oxygen gets used up.
Discover which materials make steel wool rust.
Learn how to launch your own rocket with this fun experiment.
Find out how acid rain breaks down materials.
Find the best liquid to make some old pennies shine like new.