Bell Work 1/7/13 What civilization did we discuss that believed in geocentric? What did Kepler prove? What did Galileo use to support the heliocentric model? What did Newton figure out about the planets? What year did Ptolmey decide that planets orbit on little circles, on a big circle around Earth?

Bell Work 1/8/13 What are the inner planets? What are the outer planets? What does heliocentric mean? What does geocentric mean? What model do we use today heliocentric or geocentric?

Bell Work 1/9/13 What is the major difference between the inner and outer planets? How is Pluto different from the other outer planets? What planet from the Sun is Earth? Which planet is closest to the Sun? True or False. The outer planets are also called gas giants.

1/10/13 What are the four inner planets? What are the four outer planets? True or False. The inner planets are also called gas giants. True or False. The outer planets are also called terrestrial planets. True or False. You are going to have a test next Wednesday.

1/11/13 What is a comet? What is an asteroid? What are the parts of a comet? When is your test next week? What is Pluto considered?