Copy and answer the questions below in your science notebook. Make sure to label the assignment "Origins: Earth is Born" so that you can easily find it for reference.
Due: Monday, February 10, 2014
1. How old is the Earth?
2. How have scientists estimated the age of the Earth?
3. Where is the Earth getting its magnetic shield? How does it serve to protect us?
4. Is the distance between the Earth and moon changing? Explain.
5. Where do scientists think the water on Earth came from? (several possible answers)