There appears to be very little mixing where the hot and cold water meet. What do you think would happen if you switched the jars around? Try the experiment again but this time, first place the jar ...

Dr Yan demonstrates just how super cool science can be. Take three to six (sealed) plastic bottles of mineral water. Place them ... Tip: You can do this experiment without using the bucket and ...

Have you ever noticed that puddles seem to dry up faster on a warm day than on a cool ... the hot water than on the colder water. Temperature isn’t the only thing that affects evaporation. The type of ...

Students take practical experiments with water in the University of Cambridge’s Department of Chemistry with Dr Peter Wothers. They explore why ice floats on water, what happens as water expands ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. In the 1931 movie ...