Roadmap PowerPoint Notes and Textbook Assignment Friday: refrigeration and cooling systems Next week we will review before having a test on Chapter 5.

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Presentation transcript:

Roadmap PowerPoint Notes and Textbook Assignment Friday: refrigeration and cooling systems Next week we will review before having a test on Chapter 5

Heat flows from hot to cold

Convection Ovens Convection Ovens use a fan to evenly distribute heat They are named for the convection currents formed by moving air within the oven

Convection Ovens

Regular oven is cooler further away from element

Regular Oven vs. Convection Oven Uniformity of heat distribution

Upward Currents Form in Pottery Kilns

Upward Currents in Ancient Kilns

Ancient Kilns

Two Types of Modern Ventilation

Different Types of Modern Kilns

Sea and Land Breezes mjyc mjyc Heat makes air less dense and lighter, so hot air rises. When air cools, it becomes denser and falls Textbook page 94-95

Sea Breeze and Land Breeze

How does the ocean change climate?

Oceans Moderate Climate Water can absorb and release heat – Water can take in the air’s heat when it is hot – Water can release heat when the air is cold Oceans prevent nearby land from getting very warm or very cold Why does Vancouver have a warmer winter temperature than Claresholm?

Assignment How does thermal energy flow between objects of different temperatures? Page 85 Check Your Understanding # 2, 3 Page 87 Check Your Understanding # 1, 2 Page 91 Check Your Understanding #1, 4 Page 97 Check Your Understanding # 1

For a candy prize: Who can explain the balloon with air popping and the balloon with water not popping?

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