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The Sum of All Thrills [Potential and Kinetic Energy]

Engage students in a hands-on bungee jumping experiment to explore potential and kinetic energy. Design and test a bungee to safely drop an egg from 5 feet. Critical thinking questions included.

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The Sum of All Thrills [Potential and Kinetic Energy]

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  1. The Sum of All Thrills[Potential and Kinetic Energy] Mrs. Anna Ward James Martin MS

  2. Do Now!!! Copy the following notes into your notebook. • Energy is the ability to do work. • An object that possess mechanical energy is able to do work. • Work requires a force to move an object over a distance. • Work = Force/Distance

  3. Announcements • Notebook Check today • Quiz on MONDAY • Field Trip • Permission Slips • Chaperones • Egg Bungees today

  4. Bungee Jump test • http://www.youtube.com/watch?v=fwUbM3Yz30I

  5. Your goal: • You have been charged with seeing which team can design a bungee jump so that the egg stops within 2 inches of the floor when dropped from 5 feet.

  6. Materials • nylon stockings • rubber bands • balloons • yarn • plastic egg • pennies • an egg • newspaper • ruler

  7. Procedure: • You will be given 5 minutes to brainstorm how to design your bungee. • After the timer goes off, you will then have 15 minutes to create your bungee. • You will first use the plastic egg and fill it with pennies to get it to the weight of the egg. This is your test egg. REMEMBER: it has to get within 2 inches of the floor. • You will be given an additional 5 minutes to redesign your bungee based on your test results.

  8. Questions for Discussion • Did the test with the pennies work the very first time, i.e., stopped within 2 inches of the floor? • What happens if you change the length of the bungee cord? • What happens if you change the materials? • What happens if you add more weight to the egg? • When you tested your design the first time, did you make any changes? Only one change at a time before testing it again? Or many changes? Discuss the idea of the variable and what happens if you make more than one change at a time.

  9. Exit Ticket • Where did the egg have potential energy? • Where did the egg have kinetic energy?

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