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2nd Grade Science Chapter 11 Review

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  • a force that moves something closer to you
    pull
  • A __________ helps people in wheelchairs get onto buses.
    ramp
  • All magnets have a ___________ and a south pole.
    north
  • What happens when you put N and N poles together?
    When you put N and N poles together they will repel one another.
  • What makes things fall to the ground?
    Gravity makes things fall to the ground.
  • a tool that can make it easier to move things
    simple machine
  • to push away
    repel
  • When an object is moving, its ___________ changes.
    position
  • When you put N and S poles they _____________.
    atract
  • a change in an object’s position
    motion
  • What other words can you use to describe position?
    You can use over, under, right, or left to describe position.
  • the place where something is located
    position
  • What are some examples of levers?
    Some examples of levers are an oar, a seesaw, and scissors.
  • a rope that moves over a wheel
    pulley
  • What are some example of ramps that we have in school?
    Some example of ramps we have in school are the wheelchair ramp in front of the church and the slide in the playground.
  • How does a magnet move objects?
    A magnet moves objects by attracting things that have iron in them.
  • Julie and James want to play soccer. What do they need to make the ball move?
    Julie and James need a force, a push or a pull, to make the ball move.
  • a force that moves something away from you
    push
  • Things can not move on their own. You have to use ____________ to move them.
    force
  • the force that pulls things toward Earth
    gravity
  • A plane moves at a faster ________ than a train.
    speed
  • Things made of ___________ stuck to the magnet.
    metal
  • Drag a rubber stopper on the ground. ___________ makes you stop.
    friction
  • How are a bike and a car alike? How are they different?
    A bike and a car both have wheels, but a car is faster than a bike. Also, a bike has two wheels but a car has four.
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