Worksheet

Simple Machines

Grade 3 Science Worksheet

NameDate

Write the name of each simple machine: lever, pulley, wedge, screw, or wheel and axle.

  1. A winding ridge wraps around a post and pulls it into the wood as you turn it. Name:

  2. A larger wheel fixed to a smaller rod makes turning easier. Name:

  3. A simple machine that is thick at one end and thin at the other pushes things apart. Name:

  4. A rope on a grooved wheel changes the direction you pull to lift a load. Name:

  5. A bar that turns on a fixed point lets a small push move a large load at the other end. Name:

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Simple Machines

Answer Key - Grade 3 Science Worksheet

Write the name of each simple machine: lever, pulley, wedge, screw, or wheel and axle.

  1. A winding ridge wraps around a post and pulls it into the wood as you turn it. Name: screw

  2. A larger wheel fixed to a smaller rod makes turning easier. Name: wheel and axle

  3. A simple machine that is thick at one end and thin at the other pushes things apart. Name: wedge

  4. A rope on a grooved wheel changes the direction you pull to lift a load. Name: pulley

  5. A bar that turns on a fixed point lets a small push move a large load at the other end. Name: lever