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Energy forms and_changes
- 1. Energy: Forms and Changes
- 16. Nuclear Energy The sun’s energy is produced from a nuclear fusion reaction in which hydrogen nuclei fuse to form helium nuclei.
- 20. Mechanical Energy When you throw a balling ball, you give it energy. When that bowling ball hits the pins, some of the energy is transferred to the pins (transfer of momentum).
- 25. Chemical Heat Mechanical
- 36. Kinetic-Potential Energy Conversion Roller coasters work because of the energy that is built into the system. Initially, the cars are pulled mechanically up the tallest hill, giving them a great deal of potential energy. From that point, the conversion between potential and kinetic energy powers the cars throughout the entire ride.
- 37. Kinetic vs. Potential Energy At the point of maximum potential energy, the car has minimum kinetic energy.
- 39. Ball slows down Ball speeds up