Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

How much water do you need to keep a cruise ship afloat? Less than you’d think. Archimedes’ Paradox lets you float a huge object in just a gallon or two of water. (It also shows why you’d need a ...

A: “An object will float in water or in air because the object is lighter than the air or the water it displaces,” notes MU physics Professor Karen King. All forms of matter such as gases, liquids and ...

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 ...

You're about to find out how to weigh a floating object without scales, which is also an excuse to splash around a bit and make some mess. And here's everything you'll need; a measuring jug, an ...

Michael Shats receives funding from The Australian National University. You would normally expect objects that float in water to move in the same direction as waves. But now we can force floating ...

Have you ever noticed that balloons blown up by mouth don't float in the air, while balloons filled with helium gas do float? To understand this question, let's look at why things float. A person ...

You're about to find out how to weigh a floating object without scales, which is also an excuse to splash around a bit and make some mess. And here's everything you'll need; a measuring jug, an ...