The Inclined Plane

Questions

1. Details What is a inclined plane?

   an inclined plane wrapped around a rod a wheel joined to a rod, called an axle, so they turn together a wheel with a groove that holds a rope or cable a flat, sloping surface, like a ramp
2. Details Which of these is an example of a inclined plane?

   a jar lid a bottle opener a construction crane a wheelchair ramp
3. Vocabulary What does "force" mean?

   the object a machine moves or lifts a push or a pull the ridge that winds around a screw the rod at the center of a wheel that turns with it
4. Main idea What is this passage mostly about?

   how a inclined plane makes work easier how a wheel and axle makes work easier how a wedge makes work easier how a lever makes work easier
5. Cause and effect According to the passage, what happens when you use a inclined plane?

   Turning the big wheel a long way turns the small axle a short way with more force, or turning the axle makes the wheel's edge move fast.. Pushing the thin edge into something forces it apart, changing a push forward into a push outward.. Moving a load up a long, gentle ramp takes less force than lifting it straight up, but you have to move it a longer distance.. Pushing down on one end of the bar lifts a load on the other end.
6. Vocabulary What does a simple machine do, according to the passage?

   runs on electricity makes work easier by changing the force needed or its direction makes things heavier stores energy in batteries

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