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Lesson 3 Energy Transformations and Conservation

This lesson explores energy transformations between potential and kinetic energy, emphasizing the law of conservation of energy. Students will engage in video clips, demonstrations, reading, and a roller coaster ride to understand the concepts.

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Lesson 3 Energy Transformations and Conservation

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  1. Lesson 3Energy Transformations and Conservation Standard: 6.PS3.2 Construct a scientific explanation of the transformations between potential and kinetic energy.

  2. Review • How is energy transferred different from energy transformed? • How are different forms of energy related? • When you turn on your hair straightener, _________ energy is transformed into __________ energy. • Explain the energy transformation that occurs in a waterfall.

  3. Lesson Objective • After this lesson, you will: • Apply scientific ideas to explain the law of conservation of energy.

  4. Engage • Video Clips (11Mins) • Physics on a Rollercoaster ride • Https://www.youtube.com/watch?v=J8pJiV44hVM • Engineering Thrills • https://www.youtube.com/watch?v=dBdj7Lcz2Xc

  5. Explore • Quick Lab Teacher Demo • Law of Conservation of Energy Lab • Summary Questions

  6. Explain • Read Pg.24-25 • Energy cannot be created or destroyed. • Is thermal energy created when you turn on a lamp? • Is kinetic energy destroyed when you catch a pop ball in the air?

  7. ELaborate • Roller Coaster Ride • At the top of the first hill… • Halfway down… • Bottom of first hill… • How does this diagram relate to the pendulum diagram? • Where on this diagram of the roller coaster is the same transformations as the pendulum?

  8. The Big Question • How is energy conserved in a transformation? • BONUS: Where does all energy on our planet originally come from?

  9. Evaluate • Assess Your Understanding pg. 25

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