Name of Activity Simple Machine Summary
Author Kelly Clark
Keywords Simple Machines, pulleys, screws
Subject Simple Machines
Grade Level K, 1, 2, 3, 4, 5, 6
Time 1 Hour Total
Brief Description This lesson is a review of simple machines and their use in the real world.
Lesson Objectives: - Introduce pulleys and screws.
- Review real world applications of simple machines.
Materials Needed: - ‘Screws and Pulleys’ Powerpoint
- ‘Simple Machines’ Powerpoint
- Household materials that consist of simple machines
Preparation and Set Up: Be sure that there is some way to present the Powerpoint information (projector, TV, overhead, as handouts etc.).
Necessary Background Vocabulary:
Simple machines
  1. Review simple machines and any activities where students have used simple machines.
  2. Introduce the concept of pulleys and screws as extensions of more basic machines – respectively, the wheel and axle, and the inclined ramp.
  3. Show and narrate the ‘Screws and Pulleys’ Powerpoint (attached).
  4. Show the ‘Simple Machines’ Powerpoint and have students identify where simple machines are being used on a piece of paper (numbered 1 – 25). The answer to some pictures may be none.
  5. Tell students to keep in mind that even if a simple machine is present in an object (such as a screw), it does not classify as a machine if it is not performing its function.
  6. If there is time and equipment, let students research household objects that use simple machines and present their findings.
Reference 1
Reference 2
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