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Unit 3 Science: Motion

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  • True or False. Friction can completely stop a moving object.
  • In the image, how does the potential energy of the woman half-way up the ladder compare to the potential energy of the woman on top of the ladder?
    The woman half-way up the ladder has only half as much PE. (Or the woman at the top has twice as much as the woman half-way down the ladder.)
  • A bicyclist pedaling up a hill
    Kinetic Energy
  • The image shows a stretched rubber band which is not yet moving. This is an example of ___________ energy.
    potential
  • Name TWO parts of a car that create FRICTION.
    Tire treads and breaks
  • Explain the difference between potential and kinetic energy.
    Kinetic energy is energy in motion while potential energy is stored energy waiting to be used
  • Which position has the greatest amount of Kinetic Energy?
    B
  • Which position has the greatest amount of Potential Energy?
    A
  • The ball in position E has only kinetic energy, no potential energy. (TRUE or FALSE)
    FALSE The ball in position E has some potential and some kinetic energy.
  • A fish swimming in the river
    Kinetic Energy
  • A baseball thrown to second base
    Kinetic Energy
  • In our toy car experiment, what was the INDEPENDENT variable?
    the surface
  • A bowling ball rolling down the alley
    Kinetic Energy
  • Name two things in this room that have kinetic energy right now.
    Teacher Check
  • The energy in a battery is ______ energy.
    potential
  • Stored energy is also known as _____ energy.
    potential
  • A large truck in motion hits a small car at a stop light. What will happen to the small car?
    It will be pushed forward.
  • Name a surface that has very little friction.
    Teacher Check
  • Gravity is an example of __________.
    Friction
  • An archer with his bow drawn
    Potential Energy
  • Name something in this room that has A LOT of potential energy.
    Teacher Check
  • At what point is the POTENTIAL ENERGY at its highest?
    1
  • Name a surface that has a lot of friction.
    Teacher Check.
  • Energy can _________ from one object to another.
    transfer
  • Toy Car A weighs 3 pounds. Toy Car B weighs 8 pounds. When pushed with the same force on a flat surface, which car will travel furthest?
    Car A
  • Toy Car A weighs 3 pounds. Toy Car B weighs 8 pounds. When pushed with the same force on a tall ramp, which car will travel furthest?
    Car B
  • A kid is jumping up and down on a pogo stick. When (or where) is all of his energy converted into almost all kinetic energy?
    at the bottom of each jump (or just before touching the ground)
  • Energy that is moving is ___________.
    Kinetic Energy
  • Walking down the street
    Kinetic Energy
  • Who has more potential energy, a skier on top of a hill or a skier half way down the hill?
    The skier on top of the hill.
  • Which of the following has MORE friction? Sandpaper or Ice
    Sandpaper
  • Gas in a car tank, a battery, and food sitting on a plate are examples of ___________ energy.
    potential
  • True or False. Wind can be an example of friction.
    True
  • In our toy car experiment, what was the DEPENDENT variable?
    how far the car traveled
  • A heavy ball is sitting on a table. You need to get the ball to roll WITHOUT touching it. How would this be possible?
    Pick up one side of the table.
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