Unformatted text preview: -Did our solar system form at the same time? What is the general age of our solar system? How do we know this?-How did the Earth form?-What differentiates the core from the mantle from the crust?-Where did the water on earth come from? Terms A. Hancock Echo Sounding Trawl net Gulf Stream Chronometer Circumference of Earth Differentiation Fusion-Nucleosynthesis 14 billion years ago 4.5 billion years ago Heavy and light elements Core, Mantle, Crust Sample Exam Question: Captain Cook was the first explorer credited with using a chronometer while sailing around the ocean. How did this impact his achievements? a) it kept his crew healthy as they did not get scurvey b) it helped him position himself at sea, thus maintain accurate records of location c) it helped him maintain an accurate heading d) Cook did not sail with a chronometer, Magellen did e) None of the above....
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This note was uploaded on 10/25/2010 for the course GEOL 107Lxg at USC.