Some objects float in water and other sink. But did you know that you can change whether something floats or sinks by adding a substance to the water? Let's try it and see! Pour water into a cup until ...

Can you think of some other things that float and sink? Join Kit and Pup to find out more about floating and sinking. Narrator: Are these boats floating on the water? Yes. Is this leaf floating on ...

Less dense solutions and objects float on top of solutions of greater density ... Avoid pouring oil down the drain of a sink or toilet because oil can clog pipes! Either wash and reuse the bottle or ...

But why do they float in the daytime and sink at night? A newly published paper by Dora Cano-Ramirez, a biology doctoral candidate at the University of Bristol, and her collaborators revealed that ...