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1.1. Where would you expect to find Where would you expect to find the oldest rock on the ocean the oldest rock on the ocean floor?floor?

2.2. What is deep-ocean trench?What is deep-ocean trench?

Why is important to understand Why is important to understand minerals before looking at minerals before looking at

rocks?rocks?

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Write a summary over the lesson Write a summary over the lesson from yesterday.from yesterday.

1.1. What happens to oceanic crust What happens to oceanic crust at a deep-ocean trench?at a deep-ocean trench?

2.2. What features form where two What features form where two continental plates come continental plates come together?together?

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What are some questions you What are some questions you still have about minerals and still have about minerals and rocks?rocks?

1.1. What are plates?What are plates?

2.2. In your own words, what is the In your own words, what is the theory of plate tectonics?theory of plate tectonics?

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What does plate tectonics means What does plate tectonics means to you?to you?

1.1. What do scientists think causes What do scientists think causes the movement of Earth’s plates?the movement of Earth’s plates?

2.2. What are the three types of plate What are the three types of plate boundaries?boundaries?

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What are some things you learned What are some things you learned from the assignment from Thursday?from the assignment from Thursday?

1.1. What kind of indirect evidence do What kind of indirect evidence do geologists use to study the structure geologists use to study the structure of Earth?of Earth?

2.2. How do temperature and pressure How do temperature and pressure change as you go deeper into Earth?change as you go deeper into Earth?

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Give a detailed description of what Give a detailed description of what plate tectonics means to you.plate tectonics means to you.

1.1. What happens in Earth’s interior to What happens in Earth’s interior to produce Earth’s magnetic field? produce Earth’s magnetic field? Describe the layer where the Describe the layer where the magnetic field is produced.magnetic field is produced.

2.2. Why are there convection currents in Why are there convection currents in the mantle?the mantle?

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How are clastic rocks and organic How are clastic rocks and organic rocks similar? How are they rocks similar? How are they different?different?

1.1. Why are the oldest parts of the Why are the oldest parts of the ocean floor no older than about 200 ocean floor no older than about 200 million years old?million years old?

2.2. How do magnetic stripes form on the How do magnetic stripes form on the ocean floor? Why are these stripes ocean floor? Why are these stripes significant?significant?

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Why are earthquakes so Why are earthquakes so common in California?common in California?

1.1. How are oceanic and continental How are oceanic and continental crust alike? How do they differ?crust alike? How do they differ?

2.2. What do many geologists think is What do many geologists think is the driving force of plate the driving force of plate tectonics? Explaintectonics? Explain

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Write a short paragraph that Write a short paragraph that explaining in your own words explaining in your own words what a geologist does.what a geologist does.

1.1. Scientists refer to plate tectonics Scientists refer to plate tectonics as a theory. What is a theory? as a theory. What is a theory? How is plate tectonics a theory?How is plate tectonics a theory?

2.2. Why isn’t continental drift Why isn’t continental drift considered a theory?considered a theory?

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Explain how pressure and Explain how pressure and temperature change with depth.temperature change with depth.

1.1. Briefly describe the inner and Briefly describe the inner and outer cores, the mantle, and the outer cores, the mantle, and the crust.crust.

2.2. In what ways is the lithosphere In what ways is the lithosphere different from the athenosphere?different from the athenosphere?

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What would Earth look like of What would Earth look like of most of its crust was above sea most of its crust was above sea level?level?

1.1. Why do you see only the dry land Why do you see only the dry land areas of tectonics plates on a areas of tectonics plates on a typical world map?typical world map?

2.2. Describe the structure of most Describe the structure of most tectonics plates.tectonics plates.

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Which evidence for continental drift Which evidence for continental drift do you think is the most convincing? do you think is the most convincing? Explain your answer.Explain your answer.

1.1. How does the age of the sea floor How does the age of the sea floor show the plates move?show the plates move?

2.2. What evidence did Wegener gather to What evidence did Wegener gather to support his continental drift support his continental drift hypothesis?hypothesis?

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A friend tells you he read on a Web site that A friend tells you he read on a Web site that Earth is getting smaller. What can you tell Earth is getting smaller. What can you tell him that shows Earth’s size is not changing?him that shows Earth’s size is not changing?

1.1. Give three types of evidence from the sea Give three types of evidence from the sea floor that prove Earth’s tectonic plates move.floor that prove Earth’s tectonic plates move.

2.2. Explain how the motions in the Explain how the motions in the asthenosphere can move tectonic plates asthenosphere can move tectonic plates around Earth.around Earth.

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Explain what happens when oceanic Explain what happens when oceanic plates move apart.plates move apart.

1.1. What happens when the floor of a rift What happens when the floor of a rift valley sinks below sea level?valley sinks below sea level?

2.2. How does a hot-spot volcano form?How does a hot-spot volcano form?

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Suppose a magnetic reversal Suppose a magnetic reversal occurred today. How would new occurred today. How would new rocks at mid-ocean ridges differ from rocks at mid-ocean ridges differ from rocks that formed last year?rocks that formed last year?

1.1. Name and describe the three types Name and describe the three types of plate movements.of plate movements.

2.2. How are hot spots used to track How are hot spots used to track plate motion?plate motion?

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Write a summary of yesterday Write a summary of yesterday lesson.lesson.

1.1. Why do deep-ocean trenches form at Why do deep-ocean trenches form at both types of subduction?both types of subduction?

2.2. What makes the San Andreas Fault a What makes the San Andreas Fault a transform boundary?transform boundary?

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Why is the theory of plate tectonics Why is the theory of plate tectonics so important to geologists?so important to geologists?

1.1. What are three types of convergent What are three types of convergent boundaries?boundaries?

2.2. Describe what happens at a Describe what happens at a transform boundary.transform boundary.

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What problems did you encounter What problems did you encounter creating your model of the earth?creating your model of the earth?

1.1. How does the theory of plate How does the theory of plate tectonics help geologists predict tectonics help geologists predict future geologic events?future geologic events?

2.2. How do rocks record changes Earth’s How do rocks record changes Earth’s magnetic field?magnetic field?

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Write about a current event that Write about a current event that happened recently that involves an happened recently that involves an earthquake.earthquake.

1.1. How does shearing affect rock in How does shearing affect rock in Earth’s crust?Earth’s crust?

2.2. What is the difference between a What is the difference between a hanging wall and a footwall?hanging wall and a footwall?

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What are your thoughts on the What are your thoughts on the earthquake that happened in Japan?earthquake that happened in Japan?

1.1. What type of plate movement causes What type of plate movement causes fault-block mountains to form?fault-block mountains to form?

2.2. What are the three main types of What are the three main types of stress in rock?stress in rock?

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Why do hills often show different Why do hills often show different kinds of rocks?kinds of rocks?

1.1. How does tension change the shape How does tension change the shape of Earth’s crust?of Earth’s crust?

2.2. Compare the way that compression Compare the way that compression affects the crust to the way then affects the crust to the way then tension that affects the crust.tension that affects the crust.

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Explain how the directions of force Explain how the directions of force differ in compression, tension, and differ in compression, tension, and shearing.shearing.

1.1. What is a fault?What is a fault?

2.2. Why do faults often occur along plate Why do faults often occur along plate boundaries?boundaries?

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Compare and contrast the three Compare and contrast the three types of seismic waves.types of seismic waves.

1.1. What type of fault is formed when What type of fault is formed when plates diverge, or pull apart? What plates diverge, or pull apart? What type of fault is formed when plates type of fault is formed when plates are pushed together?are pushed together?

2.2. Name five kinds of landforms caused Name five kinds of landforms caused by plate movement.by plate movement.

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What are the advantages of using the What are the advantages of using the moment magnitude scale to measure moment magnitude scale to measure an earthquake?an earthquake?

1.1. How does energy from an earthquake How does energy from an earthquake reach Earth’s surface?reach Earth’s surface?

2.2. What kind of movement is produced What kind of movement is produced by each of the three types of seismic by each of the three types of seismic waves?waves?

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What type of data do geologists use What type of data do geologists use to locate an earthquake’s epicenter?to locate an earthquake’s epicenter?

1.1. When do P waves arrive at the When do P waves arrive at the surface in relation to S waves and surface in relation to S waves and surface waves?surface waves?

2.2. What is an earthquake’s magnitude?What is an earthquake’s magnitude?

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How does liquefaction cause damage How does liquefaction cause damage during an earthquake?during an earthquake?

1.1. What is a seismograph?What is a seismograph?

2.2. What are four ways that earthquakes What are four ways that earthquakes cause damage?cause damage?

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Compare and contrast mechanical Compare and contrast mechanical weathering and chemical weathering and chemical weathering.weathering.

1.1. What is weathering?What is weathering?

2.2. What is erosion?What is erosion?

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How does rainfall affect the rate of How does rainfall affect the rate of weathering.weathering.

1.1. What is chemical weathering?What is chemical weathering?

2.2. What are two factors that affect the What are two factors that affect the rate of weathering?rate of weathering?

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Discuss the three main factors used Discuss the three main factors used to classify soils?to classify soils?

1.1. What five materials make up soil?What five materials make up soil?

2.2. How do soil horizons form?How do soil horizons form?