1. Objectives Describe the steps of the scientific method List the steps of the experimental process Describe green house effect surrounding Earth Compare fresh water and salt water Describe precipitation in terms of purity Lesson 10

2. Homework Page 82 write out main ideas Section 3 Lesson 10

3. Character Education Tears are salty but water we drink from a water bottle is clear and free of unwanted things Lesson 10

4. Class Notes The 3 final steps of an experiment are: conclusion, repeating, communicating results Himalaya Mountains were formed by colliding tectonic plates Without greenhouse effect the earth would be too cold for life Biosphere is where organisms can obtain energy to live Plants product Oxygen gas in the atmosphere Lesson 10

5. Words for fill in on Test Hypothesis Experiment Probability Data Experimental group Water cycle Recharge zone Erosion Oxygen Ozone Lesson 10