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science 2.1 and 2.2 6h grade

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  • International System of Units (or SI)
    a type of metric system that modern scientist use. The prefixes are used to determine size (larger or smaller.)
  • 1 gram =? mg
    1,000mg
  • define weight
    weight is the measure of FORCE OF GRAVITY acting on an object. We use a scale to measure the weight.
  • meter is used to measure what?
    length, from one point to another.
  • what is the SI unit for measuring volume of a solid?
    m3
  • metric system
    this is a measurement system based on the number 10. This system is used in the US
  • define volume
    is the amount of space an abject takes up
  • 1 kilogram =?grams
    1,000 grams
  • density
    measurement of how much mass is contained in a given volume?
  • what is the SI unit for measuring the density and formula
    kg/m3. formula D=mass/vol
  • Why is a STANDARD UNIT of measurement important in Science?
    This allows scientist to COMPARE DATA and communicate with each other about their results.
  • milli
    prefix means small
  • formula to find a volume?
    L x W x H
  • what is the SI unit for measuring volume of liquid?
    Liter
  • mass is measure in what unit?
    kilograms
  • Explain how weight and mass are different even thought they are related.
    Mass is constant. Weight is changing. Weight changes based on the amount of gravity acting upon it. You weigh less on the moon than you do on earth.
  • metric system
    this is a measurement system based on the number 10. This system is used in the US. It is used to measure things like, mass, length, and volume.
  • mass means what?
    is the amount of matter in an object
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