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The Sum of All Thrills [Potential and Kinetic Energy]

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

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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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