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Plate Tectonics Study the location of the plates on the map below.

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Presentation on theme: "Plate Tectonics Study the location of the plates on the map below."— Presentation transcript:

1 Plate Tectonics Study the location of the plates on the map below.

2 Complete the following activities & questions/notes with a partner. Record answers on notebook paper when appropriate. 1.Circle the names of the 2 plates that border the west coast of the U.S.? 2.Put an “X” on the plate that is made almost entirely of ocean crust?

3 The RED dots below represent earthquakes. Study the location of the earthquakes on the map below.

4 The RED dots below represent volcanoes. Study the location of the volcanoes on the map below.

5 Based on the previous maps, make a connection between plates, earthquakes, and volcanoes. 3. What is the connection between plates, earthquakes, and volcanoes? (Record the question & answer on notebook paper)

6 Click on the picture below to learn more about earthquakes & answer the questions on the next slide.

7 The Science of Earthquakes (Record the questions & answers on notebook paper) 4. What causes an earthquake? 5. What makes the ground shake during an earthquake? 6. What instrument is used to record earthquakes? 7. Can scientists predict earthquakes?

8 Measuring the magnitude (size) of earthquakes (Record the question & answer on notebook paper) Click on the picture below to learn more about earthquake magnitude. Set the earthquake magnitude to the following numbers and observe what happens What is the difference between a 3.2 and a 8.9 earthquake?

9 Below is an Earthquake Risk Map for the United States. Study the diagram and answer the questions on the following slide.

10 US Earthquake Risk (Record the questions & answers on notebook paper) 9. Put an “X” on a state that has minimal to no risk of an earthquake. 10. What state has the highest risk for an earthquake? Why? 11. Pennsylvania has what type of risk for an earthquake? (high, moderate, low, none)

11 Click on the seismogram to find some of the latest earthquakes in the U.S. and the World. Discuss the questions Scroll down and click on the “Latest Earthquakes” link. This will provide a map. Zoom out so you can see most of the U.S. Notice where most of the earthquakes have happened in the U.S. Are there any places that have had recent earthquakes that surprise you? Why do you think Hawaii has so many earthquakes? Have there been any earthquakes that have happened within the last hour? Click on a circle to get more information about the earthquake (such as the magnitude- strength)

12 Sumatra Tsunami 2004 Look/study the next few slides and answer the reflection questions

13 Tsunami Waves

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17 Banda Aceh: Before…. and After…..

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19 Tsunamis 12. How are tsunamis related to earthquakes? 13. What surprised you and your partner about the slides you just viewed? Write 3-4 complete sentences about your thoughts.

20 Volcanoes Click the image below to learn more about the Ring of Fire. Click “Enter”. In the lower right, click “Ring of Fire” 14. What is the Ring of Fire?

21 Volcanoes Most volcanoes form at plate boundaries like the image on the left. Here the Juan de Fuca (ocean crust) plate is sinking beneath the North American (continental crust) plate. During subduction, the crust melts into magma. 15. In one sentence, summarize what is causing the volcanoes on the northwest coast of the U.S.

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23 16. Other than Alaska and Hawaii, what 3 states have volcanoes? states have volcanoes? 17. Inferring: From looking at the picture, how can one tell the volcanoes reach a how can one tell the volcanoes reach a high elevation? high elevation?

24 Mt. St. Helens, Following the 1980 Eruption

25 Crater Lake, Oregon Mt. Mazama erupted in 4860 BC:  42x larger than Mt. St. Helens

26 Hot Spots Some volcanoes occur in the middle of plates, like Hawaii. Click the image on the right to view a simulation for how “hotspot” volcanoes form. 18. Summarize how Hawaii formed.

27 19. What does Yellowstone National Park have to do with volcanoes?

28 Volcanic Eruptions 20. How can volcanic eruptions have an impact on Earth’s climate? 21. What other ways can volcanoes impact Earth?

29 Google Earth Search for the following on Google Earth: San Andreas Fault (in California)San Andreas Fault (in California) Volcanoes in HawaiiVolcanoes in Hawaii Mount St. Helens (Washington)Mount St. Helens (Washington) Mount Rainier (Washington)Mount Rainier (Washington) Think about it: How are the volcanoes in Hawaii different from the volcanoes in the Cascade Mountains?

30 Current Event Talk to the Text using the following symbols: - I agree - I agree - Make a connection - Make a connection ? – question? – question - I am thinking - I am thinking - important - important - good idea - good idea Circle and look up words you do not knowCircle and look up words you do not know Underlining does not count as talking to the text.Underlining does not count as talking to the text.

31 Chain Reaction Complete the following in your journal: Define: faultfault seismic wavesseismic waves magma magma aftershock aftershock

32 Chain Reaction 1.In what region of the United States are the major plate boundaries? 2.What are the signs of geological activity at those boundaries? 3.How many earthquakes happen each year? 4.Why do you hear more about some earthquakes in the news compared to others? (Example – the Chile quake was much stronger than the Haiti quake, but did not receive as much new coverage) 5.What are your thoughts: is there a connection between earthquakes and volcanoes? Support your opinion.


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