Week 11: Weather and Climate

 Week 11: Climate Change and Weather 

What did you do in lab today? 


The water cycle: 

How did we forecast weather before our modern technology?

  • Red sky at night
  • Bones aching 
  • Cows laying down (rain coming) 


Why does weather typically come from the west?

  • We rotate into it 

Three variables that cause weather: 
Air 
Water
Heat 

The density, less dense = warm, more dense = cold. 

As the sun comes up, air “warms” up and moves creating a convection cell. 

Yes, that same convection cell that makes the plates move.

What was the big question?

What is cold and warm fronts?

What is pressure systems ?

What did you learn in Thursday’s discussion? 

EXAM !!

4. Read the online textbook, chapter 11: 

1. What did you learn? 

  • Water on Earth’s surface (like lakes, rivers, and oceans) evaporates and turns into a gas called water vapor.

  • Water vapor cools and condenses into tiny droplets that form clouds.

  • The droplets combine into larger drops, and when they get heavy, they fall as precipitation (rain, snow, etc.).

  • Sometimes, water vapor changes directly into ice or snow without becoming liquid first — this is called desublimation.

  • The opposite process, when ice turns straight into vapor, is called sublimation (like dry ice turning into gas).

  • When precipitation reaches the ground, it becomes runoff that flows back into lakes, rivers, and oceans.

  • Some water soaks into the ground and becomes groundwater, which can collect in aquifers.

  • Some water evaporates again from the land’s surface.

  • Plants absorb water through their roots and release it through their leaves as vapor — this process is called evapotranspiration.


2. What was most helpful? 

The videos and the drawings helped explain each concept 

3. What do you need more information on? 

Nothing


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