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March 31, 2014 Bell Work P-Wave and S-Wave Shadow Zones. In back of ISN. On Weekly Bell Work Sheet. Title: Shadow Zones Explain why they occur: P-waves get refracted and change direction as they move through the mantle and inner and outer core
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March 31, 2014 Bell WorkP-Wave and S-Wave Shadow Zones In back of ISN On Weekly Bell Work Sheet Title: Shadow Zones Explain why they occur: P-waves get refracted and change direction as they move through the mantle and inner and outer core S-wavesdisappear entirely when they reach the liquid outer core • Go to page 537 • Title: Shadow Zones • Copy both pictures in Figure 19.11 • Read the captions to find out why each shadow zone occurs • Write the reason next to each picture
April 1, 2014 Bell WorkRichter vs. Mercalli Earthquake Scales Richter Scale Bill Nye In back of ISN On Weekly Bell Work Sheet Title: Richter vs. Mercalli Earthquake Scales Define both terms: Richter Scale Mercalli Scale • Go to page 539and 540 • Title: Richter vs. Mercalli Earthquake Scales • List I, II, V, IX, X,and XII from Table 19.2 Modified Mercalli Scale • Read about and explain the difference between the Richter Scale and the Modified Mercalli Scale
April 2, 2014 Bell Work Locating the Epicenter In back of ISN On Weekly Bell Work Sheet Title: Locating the Epicenter Read the last paragraph on page 542. Write a sentence explaining how many seismograph readings are needed to determine the epicenter of an earthquake • Go to page 542 • Title: Locating the Epicenter • Copy Figure 19.17 • Determine the name of the famous city along the San Andreas Fault where all 3 circles intersect
April 3, 2014 Bell Work In back of ISN On Weekly Bell Work Sheet Title: When a Tsunami Reaches Shallow Water Write 2 sentences explaining how a tsunami begins and what happens when it reaches a shallow area near the shore • Go to page 548 • Title: When a Tsunami Reaches Shallow Water • Copy figure 19.23 • Read page 548 and explain what happens when a tsunami reaches shallow water