CREST SuperStar Awards demonstration - Crafty Rafts

In partnership with Mewburn Ellis, we bring you the demonstration video on how you can run this CREST activity, which is designed to get children designing and making a raft that floats.

BBC Bitesize What is buoyancy?

How Do Ships Float? | Things Explained: Buoyancy

In this episode of Things Explained, we discuss how a tiny paper clip sinks in water but a cargo ship weighing 250,000 tons floats. We also explain what density, buoyancy, and a man named Archimedes have to do with this science phenomenon.

Helicopter rescue and the science of floating | Operation Awesome | BBC Teach

Using the 'real-life' scenario of raising lost treasure from the bottom of a swimming pool children are set the challenge to use the science of 'floating' to solve the problem. Children carry out an experiment to investigate the amount of air needed to float different weights, using cut-off drinks bottles filled with air to raise weights in water tanks.