If an object is more dense than water it will sink when placed in water, and if it is less dense than water it will float. Density is a characteristic property of a substance and doesn’t depend on the ...

A float tank is usually long enough to lie down in and tall enough to sit up in. They contain water at a shallow depth, heated to skin temperature and saturated with enough epsom salt that you're ...

Discover the amazing properties of water's surface tension as you make metal paper clips float on water. You'll learn about the forces that hold water molecules together and how insects like water ...

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 ...

Using upthrust to find the weight of an object If the water that is displaced is weighed, we find it has the same weight as the object that is floating. Back to top GCSE exam dates 2025 Find out ...