1. Warm Up: bottle demo What do you think will happen? Create a Table: Condition Salt / fresh Fresh / salt Hot / cold Cold / hot Prediction Mix no mix Explanation Actual Observations Mix no mix Explanation

2. WU: Syringe Demo 1) Situation A Take the syringe, fill with air. depress, pull What happens? 2) Situation 2 Fill with water Depress, pull What happens?

3. Notes #10: Climate & Weather Chapter 5

4. I. Weather vs. Climate Weather: short term atmospheric conditions Climate: long term avg temp, precipitation

5. II.What causes weather? A) Warm front (warm air meets cold) rises, cools, water vapor condenses clouds & rain B) Cold front (Cold meets warm) thunderheads then clear C) High pressure cool, dense. Drops and warms Nice weather D) Low pressure low density, rises, water vapor cools clouds, fog

6. III. What Causes Climate? Geography Seasons Earth’s axis tilted 23.5 degrees Latitude Next to bodies of water Elevation

7. IV. Biomes Climate patterns at latitudes cause biomes Biome: ecological communities avg precipitation, temp, soil type, organisms