Density is a measure of how heavy something is compared to its size. 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 ...

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 ...

A team of international scientists co-led by Nanyang Technological University, Singapore (NTU Singapore) have discovered a ...

The sinking only stops when the object reaches the bottom and an extra ... Under the surface, the weight of water you displace - the upthrust - is more than your weight, so there is a resultant ...