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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