ScienceA20

Science A20: Floating and Sinking (Density)

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Award-winning video and lesson investigations for young children on the topic of density

Product Description

Video and lesson investigations on the topic of density. Key concepts include:

  • Some materials float in water naturally.
  • Other materials normally sink.
  • Sinking material can sometimes be made to float by changing its shape.
  • Boat shapes make good ‘floaters’.
  • Whether or not a material floats or sinks in water is due to that material’s density in relation to water.
  • Density is defined as the amount of particles of a material that occupy a particular volume of that material.
  • If a material’s density is greater than that of water, the material will sink in the water.
  • If the material’s density is less than that of water, the material will float.
  • Shapable materials that ordinarily sink, can be shaped to float on water.

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