1. Modelling the Solar System

2. What do you know? Draw a quick drawing of how you think the solar system looks. Include: How the planets and the sun and moon move. You have 5 minutes!!

3. Objectives Describe how models of the Solar System have changed Recall why new ideas are not always accepted right away Explain how a model can be tested

4. Today’s Task In pairs Make a power point presentation on the models of the solar system

5. What to include Aristotle's model: What did it say about the solar system? Did his model work if not why not? Ptolemy’s model What did it change compared to Aristotle’s model? Could it make good predictions? Why do you think this? Copernicus’s model: What was the really big difference between this and the older models? Why did he not want to share his ideas till after his death? What did Galileo say about the Solar System? What trouble did this get him into? Kepler’s model: How did he change the model that Galileo and Copernicus used? Why did he think that Copernicus’s model needed improving? What did Isaac Newton do that helped prove Kepler’s model? Which model do we use today?