Mar Science Lab>>>>>>>>>

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timer Asked: Mar 26th, 2015

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MARS SCIENCE LAB.docx 


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1. How many craters do you see? 2. Thus the crater density in this region is about _____ craters/square km. 3. Sketch in the ejecta of the large crater. Submit the sketch for this question either by importing it into the answer box below or as iCollege attachment to the instructor. You can attach the sketch as a scan, digital image, or computer artwork in the following formats: .jpg, .htm, .html, .doc, .pdf. 4. Draw circles with B (for bowl-shape) on your sketch where a few of them are located. Submit the sketch for this question either by importing it into the answer box below or as iCollege attachment to the instructor. You can attach the sketch as a scan, digital image, or computer artwork in the following formats: .jpg, .htm, .html, .doc, .pdf. 5. In the sketch box labeled 'Crater Chain' draw the streams, the crater they run into, the material deposited downstream from the small crater and the tectonic features. Label each feature. Submit the sketch for this question either by importing it into the answer box below or as iCollege attachment to the instructor. You can attach the sketch as a scan, digital image, or computer artwork in the following formats: .jpg, .htm, .html, .doc, .pdf. 6. Put in order according to relative age. Please write out the statement as follows: Write one of the following: crater A is older than crater B OR crater A is younger than crater B OR crater A is the same age as crater B (if you can't tell). In the images you are supposed to look at the craters are labeled with NUMBERS, not letters as were used in the example. 7. Number of craters _________ 8. This 300 X 300 picture is 90,000 square kilometers in area so the crater density is _____ craters per square kilometer. 9. Which picture has the highest crater density? 10. Which picture shows the oldest surface? 11. What happened on the Martian surface to make these crater densities so different? 12. Make the following estimate: The cratered region contains about ____ times as many craters as the volcanic region. 13. Suppose now that we could measure an absolute age of 3 billion years for the volcanic regions of Mars, and suppose that the rate of cratering (number of craters formed per billion years) has always been the same in the past. Then, what age would you deduce for the cratered region and for all Mars, using your estimate above? The age would be roughly ______ billion years. 14. What is wrong with that conclusion? Which supposition in question 13 is easier to give up? (SUPPOSITION 1. Suppose now that we could measure an absolute age of 3 billion years for the volcanic regions of Mars. OR SUPPOSITION 2. suppose that the rate of cratering (number of craters formed per billion years) has always been the same in the past.) 15. Use the box labeled "Lava Flow" on the worksheet as an outline of the image. Sketch the dividing line between the older and the younger surface and label which is which. Submit the sketch for this question either by importing it into the answer box below or as iCollege attachment to the instructor. You can attach the sketch as a scan, digital image, or computer artwork in the following formats: .jpg, .htm, .html, .doc, .pdf. Supplement Olympus Mons Volcanoes Large Crater Water Feature Cratered Region Superposition Lava Flow Lava Crater Chain
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