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Warm up

Warm up. Sit with your group from yesterday Come get a white board Draw your favored demonstration on the board. Sit and show me you are ready to present. Expansion, Contraction and Kinetic Energy Notes. Expansion. When a gas gets hot. its volume increases.

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Warm up

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  1. Warm up Sit with your group from yesterday Come get a white board Draw your favored demonstration on the board. Sit and show me you are ready to present.

  2. Expansion, Contraction and Kinetic Energy Notes

  3. Expansion • When a gas gets hot. its volume increases. • Expansion- is the process of increasing volume • So when the gas heats up it causes it to expand. • Air, like all gasses, expands when it gets hot.

  4. Contraction • When a gas gets cold, its volume decreases. • Contraction- is the process of decreasing volume • So when the gas is cooled it causes it to contract. • Air, like all gasses, contracts when it gets cold.

  5. Kinetic Energy • Kinetic Energy- the energy of motion • Remember gas particles are always moving • The speed at which a particle is moving is directly related to how much kinetic energy it has • A slow moving gas particle has low kinetic energy • A fast moving gas particle has high kinetic energy

  6. Heating and Cooling Air B Do Heating and Cooling Part B Remember to copy down the instructions. Include the new terms- expand contract and kinetic energy. Include an illustration of particles.

  7. End of Day Homework: none

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