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Forces & Motion

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  • Motion is when something changes it ______________ over time.
    position
  • Friction is a ______________ that makes things stop or slow down.
    force
  • TRUE OR FALSE: When you push a swing, that is a force.
    True
  • What is friction?
    a type of heat transfer
    a type of energy
    a force that happens when two things rub against each other
  • THINK LIKE A SCIENTIST: Imagine you leave a toy boat in a bathtub full of water. If you gently blow on the water, will the boat be in motion? Why or why not.
    answers vary
  • Gravity is an invisible force that pulls things toward the center of _______.
    Earth
  • Things in motion can move
    slowly
    quickly
    quickly or slowly
  • How does friction help when you are walking?
    It prevents you from slipping
  • Why would magnets stick to most school lockers?
    Lockers are usually made of metal.
  • TRUE OR FALSE: Forces makes things move by speeding things up, slowing things down, or changing directions.
    True
  • TRUE OR FALSE: Magnets can pick up plastic toys?
    False
  • Give an example of friction
    answers will vary
  • Is this picture showing a balanced force or unbalanced force?
    balanced force
  • When do something fall down when you drop it?
    gravity
  • TRUE OR FALSE: Using your brakes when riding a bike is an example of friction?
    True
  • Is this a push or pull?
    Push
  • TRUE OR FALSE: Force makes things slow down, not speed up.
    False
  • What is a force?
    a push or pull
  • When you pull a toy car and let it go, what does the force do?
    It makes it move forward.
  • When a swing moves it
    moves only forwards
    moves only backwards
    constantly changes directions
  • Is this picture showing a balanced force or unbalanced force?
    unbalanced force
  • Is this a push or pull?
    Pull
  • Think Like A Scientist: If you had a pile of toys, how could you use a magnet to see which toys were made of metal?
    answers will vary
  • TRUE OR FALSE: Gravity only works on Earth?
    False
  • Name something in your home that might have magnets on it?
    Refrigerator (answers may vary)
  • What types of metals are magnets most attracted to?
    nickel and zinc
    aluminum and copper
    iron and steel
    gold and silver
  • Is this a push or pull?
    Pull
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