4th Grade Ch. 6 Lesson 2 How do water and air affect weather

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4th Grade Ch. 6 Lesson 2 How do water and air affect weather

  1. 1. Ch. 6 Lesson 2 How do water & air affect weather?
  2. 2. water cycle Powered by energy from Sun precipitation storage condensation evaporation
  3. 3. evaporation liquid water  water vapor condensation water vapor  liquid water as it cools precipitation any form of water that falls to Earth
  4. 4. Water Cycle Song
  5. 5. Water Cycle bracelet White = clouds (condensation) Light blue = rain (precipitation) Brown = ground (storage) Dark blue = water in lake, river or ocean (storage or runoff) Green = plants (storage) Yellow = sun (source of energy that keeps cycle moving Clear = water vapor (evaporation)
  6. 6. http://www.epa.state.il.us/kids/fun-stuff/water-cycle/wheel-part-1.html
  7. 7. evaporation condensation precipitation storage
  8. 8. Earth’s atmosphere blanket of air that surrounds Earth most air = nitrogen
  9. 9. 4/5 = nitrogen 1/5 = oxygen Less than 1/5 = carbon dioxide, water vapor, other gases
  10. 10. air pressure pushing force of air moves from place w/ high pressure  place w/ low pressure
  11. 11. As you go higher, air pressure decreases.
  12. 12. land breeze blows from land  sea land heats & cools more quickly than land
  13. 13. sea breeze blows from sea  land
  14. 14. Activity-How does water change state? Day 1 Start Day 2 After freezing Day 2 When ice began to melt Day 2 When all was melted Height (mm) Temp. ( o C)

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