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Density

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  • What does density tell us?
    How heavy or light an object is
  • Why does a substance sink?
    It sinks because its density is higher than the density of water.
  • True or False: All steel objects have the same density
    True
  • What is the formula for density?
    Mass divided by volume
  • If something sinks does it have a higher or lower density than water?
    Higher
  • If something floats does it have a higher or lower density than water?
    Lower
  • To find density, you divide mass by what?
    Volume
  • Why does a substance float?
    It floats because its density is lower than the density of water.
  • What is the density of water?
    1g/cm cubed
  • Are the densities of mercury and water the same?
    No
  • Gold has a density of 19.3 grams/centimetres cubed, will it float?
    no
  • Cast iron has a density of 7.2 grams/centimetres cubed, will it float?
    no
  • Window glass has a density of 2.6 grams/centimetres cubed, will it float?
    No
  • Is density a specific or general property of matter?
    Specific property
  • Which has a higher density cork or water?
    Water
  • Leather has a density of 0.95 grams/centimetres cubed, will it float?
    Yes
  • Wood has a density of 0.7 grams/centimetres cubed, will it float?
    Yes
  • Ice has a density of 0.9 grams/centimetres cubed, will it float?
    yes
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