Question of the Day Question: Describe the difference between a geocentric and heliocentric model. Answer: ……… Turn In: -Computer Lab Answers (stapled) -Planet Graphs (stapled) Turn In: -Computer Lab Answers (stapled) -Planet Graphs (stapled)

Test corrections – During tutorial – May use anything EXCEPT phone & other people; use test dividers – 1/3 of a point back per question – Grab your scantron and sign out a test – Last day: Thursday, 10/24 Want a Higher Test Grade?

p. 550, #1-5 1.List the planets in order of their distance from the sun. 1.The planets in order of their distance from the sun are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. [Pluto is now a dwarf planet, FYI.] 2. Explain why the surface of Venus is hotter than the surface of Mercury. 2. The surface of Venus is hotter than the surface of Mercury because Venus’s atmosphere causes a greenhouse effect. 3. Describe some of the geologic features on Mars. 3.Some of the geologic features on Mars are volcanoes, mountain systems, canyons, and polar ice caps.

4. Compare the inner planets with the outer planets. 4. The inner planets are small and have solid, rocky surfaces. The outer planets, except for Pluto, are larger than the inner planets are and have thick gaseous atmospheres. They also have solid surfaces. 5.Describe the origin of the planets. 5. The planets were formed out of the cloud from which the sun condensed. p. 550, #1-5