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What Sinks, Floats or Dissolves?

Gappu and Bobo visit their community swimming pool but Bobo is afraid that he will sink. Gappu applies her understanding of science to help Bobo enjoy his day at the pool. Whether an object sinks or floats depends on its density. Everything is made of molecules. Molecules are tiny particles that can only be seen with a microscope. Some objects have molecules that are packed closely together. Others have molecules that are packed more loosely. This is density. Objects with tightly packed molecules are denser and sink. A paper clip or a penny is dense. Objects with more loosely packed molecules are less dense and float. Wood, cork or sponges float. Please subscribe to our channel    / lifelabsgappubobo   visit our website www.life-lab.org