Plate Tectonics,Earthquakes and Volcanoes

Unit B - Chapters 3, 4 & 5

1. What material are Earth's inner core and outer core both made of?

2. How do the thickness and densities of Earth's crust and mantle differ?

1. What material are Earth's inner core and outer core both made of?

Metal

2. How do the thickness and densities of Earth's crust and mantle differ?

1. What material are Earth's inner core and outer core both made of?

Metal

2. How do the thickness and densities of Earth's crust and mantle differ?

The crust is thinner and less dense than the mantle

1. What material are Earth's inner core and outer core both made of?

Metal

2. How do the thickness and densities of Earth's crust and mantle differ?

The crust is thinner and less dense than the mantle

3. Which layer of Earth contains the tectonic plates?

1. What material are Earth's inner core and outer core both made of?

Metal2. How do the thickness and densities of

Earth's crust and mantle differ? The crust is thinner and less dense than the

mantle3. Which layer of Earth contains the tectonic

plates?lithosphere

2. How do the thickness and densities of Earth's crust and mantle differ?

The crust is thinner and less dense than the mantle

3. Which layer of Earth contains the tectonic plates?

Lithosphere

4. What evidence did Wegener use to support continental drift?

3. Which layer of Earth contains the tectonic plates?

Lithosphere

4. What evidence did Wegener use to support continental drift?

Fossils, climate, geology

3. Which layer of Earth contains the tectonic plates?

Lithosphere

4. What evidence did Wegener use to support continental drift?

Fossils, climate, geology

5. How does the age of oceanic crust at a mid-ocean ridge compare to crust at a trench?

3. Which layer of Earth contains the tectonic plates?

Lithosphere4. What evidence did Wegener use to

support continental drift? Fossils, climate, geology

5. How does the age of oceanic crust at a mid-ocean ridge compare to crust at a trench? It is younger at the mid-ocean ridge and

older at the trench

4. What evidence did Wegener use to support continental drift?

Fossils, climate, geology

5. How does the age of oceanic crust at a mid-ocean ridge compare to crust at a trench?

It is younger at the mid-ocean ridge and older at the trench

6. How do island arcs form?

4. What evidence did Wegener use to support continental drift?

Fossils, climate, geology

5. How does the age of oceanic crust at a mid-ocean ridge compare to crust at a trench?

It is younger at the mid-ocean ridge and older at the trench

6. How do island arcs form?

Oceanic plates converge

5. How does the age of oceanic crust at a mid-ocean ridge compare to crust at a trench?

It is younger at the mid-ocean ridge and older at the trench

6. How do island arcs form?

Oceanic plates converge

7. What feature is caused by a continental-continental collision?

5. How does the age of oceanic crust at a mid-ocean ridge compare to crust at a trench?

It is younger at the mid-ocean ridge and older at the trench

6. How do island arcs form?

Oceanic plates converge

7. What feature is caused by a continental-continental collision?

Mountain ranges

6. How do island arcs form?

Oceanic plates converge

7. What feature is caused by a continental-continental collision?

Mountain ranges

8. Why do most earthquakes occur at plate boundaries?

6. How do island arcs form?

Oceanic plates converge

7. What feature is caused by a continental-continental collision?

Mountain ranges

8. Why do most earthquakes occur at plate boundaries?

Large amounts of stress build up as plates move.

7. What feature is caused by a continental-continental collision?

Mountain ranges

8. Why do most earthquakes occur at plate boundaries?

Large amounts of stress build up as plates move.

9. What is the moment magnitude scale based on?

8. Why do most earthquakes occur at tectonic plate boundaries? Large amounts of stress build up as plates move. 9. What is the moment magnitude scale based on? The amount of energy released by an earthquake

8. Why do most earthquakes occur at tectonic plate boundaries? Large amounts of stress build up as plates move. 9. What is the moment magnitude scale based on? The amount of energy released by an earthquake 10. What are smaller earthquakes that occur in an area shortly after a larger earthquake called?

8. Why do most earthquakes occur at tectonic plate boundaries? Large amounts of stress build up as plates move. 9. What is the moment magnitude scale based on? The amount of energy released by an earthquake 10. What are smaller earthquakes that occur in an area shortly after a larger earthquake called?

Aftershocks

9. What is the moment magnitude scale based on? The amount of energy released by an earthquake 10. What are smaller earthquakes that occur in an area shortly after a larger earthquake called?

Aftershocks

11. What type of stress causes normal faults?

9. What is the moment magnitude scale is based on? The amount of energy released by an earthquake 10. What are smaller earthquakes that occur in an area shortly after a larger earthquake called?

Aftershocks

11. What type of stress causes normal faults?

Rocks being pulled apart

10. What are smaller earthquakes that occur in an area shortly after a larger earthquake called?

Aftershocks

11. What type of stress causes normal faults?

Rocks being pulled apart

12. When an earthquake occurs, which are the first seismic waves to reach a nearby city?

10. What are smaller earthquakes that occur in an area shortly after a larger earthquake called?

Aftershocks

11. What type of stress causes normal faults?

Rocks being pulled apart

12. When an earthquake occurs, which are the first seismic waves to reach a nearby city?

Primary waves

12. When an earthquake occurs, which are the first seismic waves to reach a nearby city?

Primary waves

13. What is the point on Earth's surface directly above where rocks first start to move during an earthquake?

12. When an earthquake occurs, which are the first seismic waves to reach a nearby city?

Primary waves

13. What is the point on Earth's surface directly above where rocks first start to move during an earthquake? Epicenter

12. When an earthquake occurs, which are the first seismic waves to reach a nearby city? Primary waves

13. What is the point on Earth's surface directly above where rocks first start to move during an earthquake? Epicenter

14. What is the instrument that scientists use to record seismic waves?

12. When an earthquake occurs, which are the first seismic waves to reach a nearby city? Primary waves

13. What is the point on Earth's surface directly above where rocks first start to move during an earthquake? Epicenter

14. What is the instrument that scientists use to record seismic waves?

Seismograph

13. What is the point on Earth's surface directly above where rocks first start to move during an earthquake? Epicenter

14. What is the instrument that scientists use to record seismic waves? Seismograph 15. What type of wave is caused by an earthquake in the ocean floor?

13. What is the point on Earth's surface directly above where rocks first start to move during an earthquake? Epicenter

14. What is the instrument that scientists use to record seismic waves? Seismograph 15. What type of wave is caused by an earthquake in the ocean floor?

Tsunami

14. What is the instrument that scientists use to record seismic waves? Seismograph 15. What type of wave is caused by an earthquake in the ocean floor? Tsunami

16. What aspect of an earthquake can scientists usually predict?

14. What is the instrument that scientists use to record seismic waves? Seismograph 15. What type of wave is caused by an earthquake in the ocean floor? Tsunami

16. What aspect of an earthquake can scientists usually predict?

The earthquake risk of an area

15. What type of wave is caused by an earthquake in the ocean floor? Tsunami

16. What aspect of an earthquake can scientists usually predict? The earthquake risk of an area

17. What helps reduce earthquake damage to tall office buildings?

15. What type of wave is caused by an earthquake in the ocean floor? Tsunami

16. What aspect of an earthquake can scientists usually predict? The earthquake risk of an area

17. What helps reduce earthquake damage to tall office buildings? Cross braces

16. What aspect of an earthquake can scientists usually predict? The earthquake risk of an area

17. What helps reduce earthquake damage to tall office buildings? Cross braces

18. How does a folded mountain belt form?

16. What aspect of an earthquake can scientists usually predict? The earthquake risk of an area

17. What helps reduce earthquake damage to tall office buildings? Cross braces

18. How does a folded mountain belt form? Two continental plates push together.

17. What helps reduce earthquake damage to tall office buildings? Cross braces

18. How does a folded mountain belt form? Two continental plates push together.

19. Where do fault-block mountains form?

17. What helps reduce earthquake damage to tall office buildings? Cross braces

18. How does a folded mountain belt form? Two continental plates push together.

19. Where do fault-block mountains form? Between parallel normal faults

18. How does a folded mountain belt form? Two continental plates push together.

19. Where do fault-block mountains form? Between parallel normal faults

20. An opening through which lava, rocks, and gases erupt is called a ______________.

18. How does a folded mountain belt form? Two continental plates push together.

19. Where do fault-block mountains form? Between parallel normal faults

20. An opening through which lava, rocks, and gases erupt is called a ______________.

Volcano

19. Where do fault-block mountains form? Between parallel normal faults

20. An opening through which lava, rocks, and gases erupt is called a ______________. Volcano

21. Where do most volcanoes occur?

19. Where do fault-block mountains form? Between parallel normal faults

20. An opening through which lava, rocks, and gases erupt is called a ______________. Volcano

21. Where do most volcanoes occur?

Along plate boundaries

20. An opening through which lava, rocks, and gases erupt is called a ______________. Volcano

21. Where do most volcanoes occur? Along plate boundaries

22. Why do scientists monitor volcanoes?

20. An opening through which lava, rocks, and gases erupt is called a ______________. Volcano

21. Where do most volcanoes occur? Along plate boundaries

22. Why do scientists monitor volcanoes?

To predict when future eruptions will occur

21. Where do most volcanoes occur? Along plate boundaries

22. Why do scientists monitor volcanoes? To predict when future eruptions will occur

21. Where do most volcanoes occur? Along plate boundaries

22. Why do scientists monitor volcanoes? To predict when future eruptions will occur

23. What effect of a volcanic eruption can travel the farthest?

22. Why do scientists monitor volcanoes? To predict when future eruptions will occur

23. What makes a pyroclastic flow so dangerous? Its speed and its temperature

24. What effect of a volcanic eruption can travel the farthest? Ash clouds, because they can be carried by the

wind

23. What effect of a volcanic eruption can travel the farthest? Ash clouds, because they can be carried by the wind

24. What signs might indicate that a volcano might soon erupt?

23. What effect of a volcanic eruption can travel the farthest? Ash clouds, because they can be carried by the wind

24. What signs might indicate that a volcano might soon erupt? Rising temperatures in volcanic lakes, small

tremors, bulges in the ground

23. What effect of a volcanic eruption can travel the farthest? Ash clouds, because they can be carried by the wind

24. What signs might indicate that a volcano might soon erupt? Rising temperatures in volcanic lakes, small tremors, bulges in the ground

25. Hot springs that erupt and send hot water shooting into the air are called ______________.

23. What effect of a volcanic eruption can travel the farthest? Ash clouds, because they can be carried by the wind

24. What signs might indicate that a volcano might soon erupt? Rising temperatures in volcanic lakes, small tremors, bulges in the ground

25. Hot springs that erupt and send hot water shooting into the air are called ______________. Geysers

Test this Friday!!!

Notebook Check #9 will be turned in.Test will be on Haiku – all multiple choice.25 questions – similar to the study guide.