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27 Cards in this Set
- Front
- Back
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___________ is an objects location or where something is.
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Position
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___________ is a change in position.
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Motion
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Every motion is started and stopped by a ________________.
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force
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___________ is how fast an object changes position.
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speed
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___________ is a push or a pull.
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force
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Force is always needed to make something ____________.
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move
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A ______________ is a force that moves towards the object being moved.
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push
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A ______________ is a force that moves away from the object being moved.
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pull
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_____________ is a kind of force that pulls items toward the ground.
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Gravity
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___________________ is the force that slows down a moving object when it rubs against another object.
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Friction
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________________ is a force that pulls on, or attracts, metal objects containing iron.
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Magnetism
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_____________ means to use a force to move an object.
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Work
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A ____________________ is a machine with few or no moving parts. It makes a job easier to do.
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simple machine
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Name 6 kinds of simple machines:
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1) inclined plane
2) lever 3) wedge 4) pulley 5) screw 6) wheel and axle |
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An _____________ is a flat surface that has one end higher than the other - a "ramp". It is used to lift an object to a higher place. It makes it easier to raise heavy loads.
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inclined plane
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A ______________uses a bar and fulcrum to lift a load.
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lever
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The ______________ is the stiff part of a lever that moves or turns.
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bar
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The ______________ is the part of a lever that stays in one place.
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fulcrum
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A _______________ has a V-shaped edge and is used to cut and split things.
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wedge
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A ______________ is a wheel that words with a rope or chain to move things up or down.
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pulley
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A ___________ is like an inclined plane wrapped around a center post.
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screw
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A _______________ holds things together.
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screw
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A _________________ is made of a wheel that turns on a center post.
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wheel and axle
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The wheel and axle makes it easier to ____________ things.
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turn and move
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_________________ are made up of simple machines that work together.
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complex machines
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What type of simple machines does a can opener have?
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1) lever (handle)
2) wedge ( sharp edge that cuts the can open) 3) axle (winding handle) |
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What typeo of simple machines does a bicyle have?
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1) lever (break on handle bars)
2) wheel and axle (wheels) 3) pulley (chain) |
