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Forces and Magnetism

  •  English    16     Public
    Unit 5 of Grade 4 Bilingual Class
  •   Study   Slideshow
  • The force that pulls everything towards the Earth.
    gravity
  •  15
  • A support force.
    normal force
  •  15
  • A body which orbits a larger body.
    satellite
  •  15
  • Another name for air resistance and water resistance.
    drag
  •  15
  • A mixture of metals.
    alloy
  •  15
  • Opening and closing a door are examples of these forces.
    applied force
  •  15
  • The most common magnetic material.
    iron
  •  15
  • A force that pushes something up.
    upthrust
  •  15
  • A material that has an area of magnetic force around it.
    magnet
  •  15
  • Gravity is this type of force.
    pulling
  •  15
  • A force that slows things down in air.
    air resistance
  •  15
  • A force that slows things down in water.
    water resistance
  •  15
  • A material that is attracted to a magnet.
    magnetic material
  •  15
  • A rough surface will cause __________ friction.
    more
  •  15
  • A smooth surface will cause ________ friction.
    less
  •  15
  • The earth has a stronger force of gravity than the moon. (True or False)
    True
  •  15