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CPS3_Unit 6.5_ Friction

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    review Friction force
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  • When does friction act?
    Friction acts when two objects rub together.
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  • Give an example of friction.
    Rubbing our hands.
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  • Draw the arrow where the friction happens.
    between the 2 hands
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  • Draw the arrow where the friction happens.
    between the toy car and the floor
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  • Draw the arrow where the friction happens.
    between the ball and the slide
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  • Draw the arrow where the friction happens.
    between the floor and the boy's body
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  • Friction is a .................... ( A/ force - B/ direction - C/ unit)
    Friction is a force.
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  • Friction is a .................... ( A/ force - B/ direction - C/ unit)
    Friction is a force.
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  • True or false :Friction can make things slow down or stop.
    True
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  • Grippy surface has  (a. less friction / b. greater friction)
    greater friction
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  • Smooth surface has  (a. greater friction b. less friction)
    b. less friction
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  • Which surface is the best for skiing? ( A-ice / B- forest path).
    A-ice
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  • Where does friction occur?
    between the wheel and the ground.
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  • Smooth surface has  (a. greater friction b. less friction)
    b. less friction
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  • Grippy surface has  (a. less friction / b. greater friction)
    greater friction
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  • Less friction = slower or faster?
    faster
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