Worksheet 1L Origin of Earth

Worksheet 1L Origin of Earth - Worksheet 1L Origin of...

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Worksheet 1L Origin of Earth's Water and Ocean Basins Score: 54.6 Where do you think the Earth's vast supply of water came from originally? Remember the oceans formed 4.3 billion years ago during the early stages of the Solar System. Read Lecture 1 for helpful hints and research your answer. Pg 92 in the lab manual/Chapter 40 Illustrated Guide History of the Earth.Or ask Larry King he might have been there. SCORE: 5.0 out of 5.0 points INSTRUCTOR COMMENTS Okay the Big Bang created the Universe 10 billion yrs BEFORE the Earth began. HELPFUL INFORMATION A note about our neighbor Mars: Mars is 1/2 as big as the Earth, thus it has 1/2 the gravity. It takes gravity to hold on to an atmosphere and water. So Mars lost most of its water (same reason there is no air and almost no water on our Moon). In contrast, giants like Jupiter and Saturn have such strong gravity that they hold on to everything (you could swim in those atmospheres). Also, when the Solar System first formed the Sun was hotter that it is now so Mars probably had liquid water. Life? Guess we'll find out. You can tell your kids: "Yeah I remember back when Pluto was a planet". What causes the Earth to have deep ocean basins surrounded by high continents. Answer this question in terms of the differences in ROCK TYPES between continential plates and ocean plates. Pgs 98-99/Chap 40 Illustrated Guide Plate Tectonics I & Isocasty in the Lab Manual. SCORE: 5.0 out of 5.0 points INSTRUCTOR COMMENTS You got it. What is the Moho? Explain its significance (look up Mohorovvic Discontinuity)on pg 13/Chap#6 in the Lab Manual. Remember NOBODY has ever seen the interior of the Earth. So how are geologists able to create the diagrams like the one on pg 13? Hint: P-waves verses S-waves (that is very significant here). Pgs 94- 95/Chap 40 lab manual. Geologists are able to use seismic waves just like an X-ray or CT-scan of the inside of the Earth. SCORE: 5.0 out of 5.0 points INSTRUCTOR COMMENTS The Moho is where the S-waves stop and it's where the Chilean and Japanese earthquakes started.
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Which of the following statements is supported by Table 1 on pg 5/Chap 1 Longitude & Latitude of the Lab Manual? Paris is almost the same latitude as Calgary. Midway is on the opposit side of the International Dateline from the U.S. WRONG Baghdad is further south than Havanna. Reykavik is ABOVE the Arctic Circle. SCORE : 0/3.3 points CORRECT ANSWER(S): Paris is almost the same latitude as Calgary. The Atlantic Ocean DID NOT exist until 250 million years ago during the Permian Period.
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Worksheet 1L Origin of Earth - Worksheet 1L Origin of...

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