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Science Starter - Tuesday (no need to write this down...just have an answer ready to share!)

Learn about air masses, their characteristics, and how they affect weather patterns. Explore high and low pressure systems and their associated weather conditions.

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Science Starter - Tuesday (no need to write this down...just have an answer ready to share!)

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  1. Science Starter - Tuesday (no need to write this down...just have an answer ready to share!) On a hot summer day, air rises most quickly when it is above a — F forest. G lake. H river. J desert.

  2. EQ: Identify air masses based on temperature, humidity, and pressure. P.96 High vs. Low Pressure P.97 Air Masses

  3. What are variables (or things) we can use to describe weather?

  4. How does air move between high and low pressure?

  5. So what weather do we get with high or low pressure, and why?

  6. High vs. Low Pressure • Divide page in half • Label Top Half: High Pressure System • Label Bottom Half: Low Pressure System

  7. High Pressure • Top Half: High Pressure System High Pressure System: large body of circulating air with high pressure at the center (from cold, sinking air)

  8. High Pressure High Pressure System: large body of circulating air with high pressure at the center (from cold, sinking air) • Write 3 key words about the weather – cold, blue skies, clear • Decorate background with picture of what it would look like out your window with high pressure.

  9. Low Pressure • Bottom Half: Low Pressure System Low Pressure System: large body of circulating air with low pressure at the center (from hot, rising air)

  10. Low Pressure Low Pressure System: large body of circulating air with low pressure at the center (from hot, rising air) • Write 3 key words about the weather – warm, cloudy, rainy • Decorate background with picture of what it would look like out your window with low pressure.

  11. Air Masses low pressure. Some air mass are full of DRY air or MOIST air Some or VERY COLD and others HOT

  12. Air Masses low pressure. Air Mass- a large body of air that has uniform temperature, humidity and pressure

  13. Air Masses Do not write. Can you guess where maritime air masses form? What about continental air masses?

  14. Air Masses Do not write. Maritime: Ocean Continental: Land

  15. Air Masses Do not write. What about polar air masses? And tropical air masses?

  16. Air Masses Do not write. Polar: Poles/Cold Tropical: Equator/Warm Arctic: Poles/Very Cold

  17. Air Masses

  18. Air Masses

  19. Air Masses

  20. Air Masses

  21. Air Masses

  22. Practice Worksheet • Complete using your NOTES!! • Workbook pp. 452-454 if you need extra help

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