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

Plate Tectonics

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

Complete the following activities & questions/notes with a partner.

Record answers on notebook paper when appropriate.

1.1. CircleCircle the names of the 2 plates that the names of the 2 plates that border the west coast of the U.S.?border the west coast of the U.S.?

2.2. Put an Put an “X”“X” on the plate that is made on the plate that is made almost entirely of ocean crust?almost entirely of ocean crust?

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

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

Based on the previous maps, make a connection between plates, earthquakes, and volcanoes.

3. What is the connection between plates, 3. What is the connection between plates, earthquakes, and volcanoes?earthquakes, and volcanoes?

(Record the question & answer on (Record the question & answer on notebook paper)notebook paper)

Click on the picture below to learn more about earthquakes & answer the

questions on the next slide.

The Science of EarthquakesThe Science of Earthquakes(Record the questions & answers on notebook paper)(Record the questions & answers on notebook paper)

4. What causes an earthquake?4. What causes an earthquake?

5. What makes the ground shake during an 5. What makes the ground shake during an earthquake?earthquake?

6. What instrument is used to record 6. What instrument is used to record earthquakes?earthquakes?

7. Can scientists predict earthquakes?7. Can scientists predict earthquakes?

Measuring the magnitude (size) of earthquakesMeasuring the magnitude (size) of earthquakes(Record the question & answer on notebook paper)(Record the question & answer on notebook paper)

Click on the picture below to learn more about Click on the picture below to learn more about earthquake magnitude.earthquake magnitude.

Set the earthquake magnitude to the following numbers Set the earthquake magnitude to the following numbers and observe what happens. and observe what happens. 3.2 6.1 8.9 3.2 6.1 8.9

8. What is the difference between a 3.2 and a 8.9 8. What is the difference between a 3.2 and a 8.9 earthquake? earthquake?

Below is an Earthquake Risk Map for the United Below is an Earthquake Risk Map for the United States. Study the diagram and answer the States. Study the diagram and answer the

questions on the following slide.questions on the following slide.

US Earthquake RiskUS Earthquake Risk (Record the questions & answers on notebook paper)(Record the questions & answers on notebook paper)

9. Put an 9. Put an “X”“X” on a state that has minimal to no on a state that has minimal to no risk of an earthquake.risk of an earthquake.

10. What state has the highest risk for an 10. What state has the highest risk for an earthquake? Why?earthquake? Why?

11. Pennsylvania has what type of risk for an 11. Pennsylvania has what type of risk for an earthquake? (high, moderate, low, none)earthquake? (high, moderate, low, none)

Click on the seismogram to find some of the latest Click on the seismogram to find some of the latest earthquakes in the U.S. and the World. earthquakes in the U.S. and the World.

Discuss the questionsDiscuss the questions

Scroll down and click on the “Latest Earthquakes” link. This will 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 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. where most of the earthquakes have happened in the U.S. Are Are there any places that have had recent earthquakes that surprise there any places that have had recent earthquakes that surprise

you? Why do you think Hawaii has so many earthquakes? Have you? Why do you think Hawaii has so many earthquakes? Have there been any earthquakes that have happened within the last there been any earthquakes that have happened within the last

hour? hour?

Click on a circle to get more information about the earthquake (such as the Click on a circle to get more information about the earthquake (such as the magnitude-strength)magnitude-strength)

Sumatra Tsunami 2004Sumatra Tsunami 2004

Look/study the next few slides and answer the Look/study the next few slides and answer the reflection questionsreflection questions

Tsunami Waves

Banda Aceh:

Before….

and After…..

TsunamisTsunamis

12. How are tsunamis related to earthquakes?12. How are tsunamis related to earthquakes?

13. What surprised you and your partner about 13. What surprised you and your partner about the slides you just viewed? the slides you just viewed? Write 3-4 Write 3-4

complete sentences about your thoughts.complete sentences about your thoughts.

VolcanoesVolcanoes

Click the image below to learn more about the Click the image below to learn more about the Ring of Fire.Ring of Fire.

Click “Enter”. In the lower right, click “Ring of Fire”Click “Enter”. In the lower right, click “Ring of Fire”

14. What is the Ring of Fire?14. What is the Ring of Fire?

VolcanoesVolcanoes

Most volcanoes form at plate Most volcanoes form at plate boundaries like the image on boundaries like the image on

the left. Here the Juan de the left. Here the Juan de Fuca (ocean crust) plate is Fuca (ocean crust) plate is sinking beneath the North sinking beneath the North

American (continental crust) American (continental crust) plate. During subduction, the plate. During subduction, the

crust melts into magma.crust melts into magma.

15. In one sentence, summarize 15. In one sentence, summarize what is causing the volcanoes what is causing the volcanoes on the northwest coast of the on the northwest coast of the

U.S.U.S.

16. Other than Alaska and Hawaii, what 3 16. Other than Alaska and Hawaii, what 3

states have volcanoes?states have volcanoes?

17. 17. InferringInferring: From looking at the picture, : 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?

Mt. St. Helens, Following the 1980 Eruption

Crater Lake, Oregon

Mt. Mazama erupted in 4860 BC: 42x larger than Mt. St. Helens

Hot SpotsHot Spots

Some volcanoes occur in Some volcanoes occur in the middle of plates, the middle of plates,

like Hawaii. like Hawaii. Click the Click the image on the right to image on the right to view a simulation for view a simulation for

how “hotspot” how “hotspot” volcanoes form.volcanoes form.

18. Summarize how 18. Summarize how Hawaii formed.Hawaii formed.

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

Volcanic EruptionsVolcanic Eruptions

20. How can volcanic 20. How can volcanic eruptions have an eruptions have an impact on Earth’s impact on Earth’s

climate?climate?

21. What other ways can 21. What other ways can volcanoes impact volcanoes impact

Earth? Earth?

Google EarthGoogle Earth

Search for the following on 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 itThink about it: How are the volcanoes in : How are the volcanoes in Hawaii different from the volcanoes in Hawaii different from the volcanoes in

the Cascade Mountains?the Cascade Mountains?

Current EventCurrent Event

Talk to the Text using the following symbols: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 textUnderlining does not count as talking to the text..

Chain ReactionChain Reaction

Complete the following in your journal:Complete the following in your journal:

DefineDefine: :

• faultfault

• seismic wavesseismic waves

• magmamagma

• aftershockaftershock

Chain ReactionChain Reaction

1.1. In what region of the United States are the major In what region of the United States are the major plate boundaries?plate boundaries?

2.2. What are the signs of geological activity at those What are the signs of geological activity at those boundaries?boundaries?

3.3. How many earthquakes happen each year?How many earthquakes happen each year?

4.4. Why do you hear more about some earthquakes in the Why do you hear more about some earthquakes in the news compared to others? (Example – the Chile news compared to others? (Example – the Chile

quake was much stronger than the Haiti quake, but quake was much stronger than the Haiti quake, but did not receive as much new coverage)did not receive as much new coverage)

5.5. What are your thoughts: is there a connection What are your thoughts: is there a connection between earthquakes and volcanoes? Support your between earthquakes and volcanoes? Support your

opinion.opinion.