 Former theories  Captured by Earth’s gravity  Formed at same time as Earth  Collision of small planets  Current theory  Collision with early Earth  Similar material to Earth  Age – 4.5 billion years Formation of the Moon Theories

 Structure  Solid inner core  Liquid outer core  Solid mantle  No magnetic field  Virtually no atmosphere  Same side faces the Earth  Drastic temp. differences  Surface shaped by  Early volcanic activity  Asteroids  Reflects sunlight Moon Basics

 Complete top half of worksheet  What is occurring in these phases?  Full  New  Quarter  Between phases  Waxing vs. waning  Gibbous vs. crescent  Name the phasephase Moon Phases

 Complete worksheet  Lunar Lunar  Which phase?  What is happening?  Doesn’t always happen because of the Moon’s orbital path  Solar Solar  Which phase?  What is happening?  Only seen on a portion of the Earth Eclipses

 Tides!  Bay of Fundy Bay of Fundy  Big Picture Big Picture  Tides vs. Waves  High vs. Low  Where on Earth? Earth and its Moon

20.Describe 5 different characteristics of the Moon. 21.What is the current theory on how the Moon was formed? 22.Describe how the new moon and full moon are created. 23.How are solar and lunar eclipses similar? How are they different? 24.Describe how the Moon effects the tides on Earth. 25.What is needed for life as we know it? Daily Review #6

 Liquid water  Habitable Zone Habitable Zone  What can effect HZ?  Star – size and temperature  Distance from star  Size of planet  Structure of planet  Presence of atmosphere  Other source of heat  Available carbon Why is Earth perfect for life?