课程信息
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初级

完成时间大约为33 小时

建议:5 weeks of study, 6-8 hours/week...

英语(English)

字幕:英语(English)

100% 在线

立即开始,按照自己的计划学习。

可灵活调整截止日期

根据您的日程表重置截止日期。

初级

完成时间大约为33 小时

建议:5 weeks of study, 6-8 hours/week...

英语(English)

字幕:英语(English)

教学大纲 - 您将从这门课程中学到什么

1
完成时间为 2 小时

Orientation

You will become familiar with the course, your classmates, and our learning environment. The orientation will also help you obtain the technical skills required for the course....
8 个阅读材料, 1 个测验
8 个阅读材料
Welcome to Planet Earth...and You!10分钟
Syllabus15分钟
Google Earth Instructions30分钟
Updating Your Profile10分钟
Social Media5分钟
About the Discussion Forums15分钟
How Graded Discussions Work10分钟
Discussion Rubric10分钟
1 个练习
Orientation Quiz15分钟
完成时间为 8 小时

Week 1: Earthquakes!

In the lectures for this week, we will consider what an earthquake is, how it occurs, how we can record and measure its size, and what we can do to mitigate damage. Our first weekly assignment consists of reporting your own experience with earthquakes (if any). The Week 1 Lab gives you a chance to work with seismograms, locate an earthquake epicenter, and determine magnitude. Finally, the Week 1 Discussion addresses the balance between risks from quakes and costs of preventive measures. ...
18 个视频 (总计 115 分钟), 1 个阅读材料, 3 个测验
18 个视频
1.A.2 Generation of Earthquake Vibrations5分钟
1.A.3 Introduction to Faults4分钟
1.A.4 Types of Faults5分钟
1.A.5 Earthquake Waves6分钟
1.B.1 The Intensity and Magnitude of Earthquakes6分钟
1.B.2 Seismometers4分钟
1.B.3 Interpreting Seismograms and Earthquake Magnitude4分钟
1.B.4 Comparing Earthquakes5分钟
1.C.1 Damage Due to Ground Shaking5分钟
1.C.2 Other Consequences of Earthquakes7分钟
1.C.3 Tsunamis8分钟
1.D.1 The First Step in Predicting Earthquakes: Recognizing Where They Occur6分钟
1.D.2 Earthquake Recurrence Interval7分钟
1.D.3 Interpreting The Recurrence Interval4分钟
1.D.4 Efforts to Prevent Earthquake Devastation5分钟
1.D.5 Mitigating Earthquake Damage7分钟
Week 1 Lab: Triangulation Lab 13分钟
1 个阅读材料
Week 1 Overview10分钟
3 个练习
Week 1 Quiz
Week 1 Assignment
Week 1 Lab30分钟
2
完成时间为 9 小时

Week 2: Plate Tectonics

In the early twentieth century, publication of the hypothesis on continental drift caused an uproar that soon died down. Data collected in mid-century led geologists to reconsider the idea that continents could move. During the 1960s and 1970s, old ideas were reworked into what is now called the theory of plate tectonics. As we will see, this robust theory encompasses many geological phenomena that appear to be unrelated at first glance: earthquakes and volcanoes, but also ice ages, fossils, and mountains. Today, plate tectonics provides an overarching framework for interpreting the Earth. We study its details in Week 2, but we will return to this theory again and again throughout the rest of this course....
17 个视频 (总计 128 分钟), 1 个阅读材料, 4 个测验
17 个视频
2.A.2 Alfred Wegener & Continental Drift5分钟
2.A.3 Evidence for Continental Drift6分钟
2.A.4 New Discoveries Leading to Plate Tectonics: Seafloor Bathymetry10分钟
2.A.5 New Discoveries Leading to Plate Tectonics: Apparent Polar-Wander Paths7分钟
2.A.6 New Discoveries Leading to Plate Tectonics: Evidence for Seafloor Spreading11分钟
2.B.1 Discovering Plate Tectonics4分钟
2.B.2 Earth's Internal Layers and the Concept of a Plate7分钟
2.B.3 Three Types of Plate Boundaries: Divergent Plate Boundary6分钟
2.B.4 Three Types of Plate Boundaries: Convergent Plate Boundary6分钟
2.B.5 Three Types of Plate Boundaries: Transform Plate Boundary5分钟
2.B.6 Continental Rifts and Continental Collisions5分钟
2.B.7 Intraplate Earthquakes6分钟
2.B.8 The Velocity of Plate Motion7分钟
2.B.9 Plate Driving Mechanisms7分钟
Week 2 Lab: Plate Tectonics! Lab Part 111分钟
Week 2 Lab: Plate Tectonics! Lab Part 214分钟
1 个阅读材料
Week 2 Overview10分钟
3 个练习
Week 2 Quiz
Week 2 Assignment
Week 2 Lab
3
完成时间为 8 小时

Week 3: Volcanoes!

This week, you will learn how and where rocks can melt, and what happens when molten material of various compositions bursts out of the ground. The lecture videos also cover different types of eruptions, as well as the rocks and mountains produced by them. In the lab, you will study details about the 1980 eruption of Mount St. Helens and the eruption of Mount Vesuvius in the year 79. The discussion forum gives you the opportunity to weigh risks to people living on or near volcanoes and what can be done to minimize damage and loss of life. The weekly assignment provides a place for you to share your own experiences with volcanoes or eruptions or, if you have never been near a volcano, your thoughts about such events....
23 个视频 (总计 149 分钟), 1 个阅读材料, 3 个测验
23 个视频
3.A.2 Where Does Molten Rock Come From?5分钟
3.A.3 How Does Rock Melt?6分钟
3.A.4 Forming Molten Rock; a Magma Composition5分钟
3.A.5 Volcanoes Associated with Subduction5分钟
3.A.6 Melting at Rifts and Mid-Ocean Ridges6分钟
3.A.7 Melting at Hot Spots7分钟
3.B.1 Introduction to Igneous Rocks6分钟
3.B.2 What Are Igneous Rocks Composed Of?5分钟
3.B.3 When Molten Rock Solidifies7分钟
3.C.1 Types of Volcanic Eruptions6分钟
3.C.2 Magma and Lava with Gas6分钟
3.C.3 Eruption Materials6分钟
3.C.4 Pyroclastic Debris4分钟
3.C.5 Three Different Volcano Shapes5分钟
3.C.6 Eruption Styles and Case Studies4分钟
3.C.7 Case Studies of Volcanic Explosions: Pompeii, Present-Day Italy9分钟
3.C.8 Super Volcanoes in the Geologic Record7分钟
3.D.1 Volcanic Hazards, Part 15分钟
3.D.2 Volcanic Hazards, Part 28分钟
3.E.1 Predicting Volcanic Eruptions7分钟
3.E.2 Dealing with Volcanic Hazards6分钟
Week 3 Lab: Volcanoes! Lab Introduction 8分钟
1 个阅读材料
Week 3 Overview10分钟
3 个练习
Week 3 Quiz
Week 3 Assignment
Week 3 Lab30分钟
4
完成时间为 10 小时

Week 4: Rocks and Mineral Resources

As part of the Week 4 Assignment, you will take a close look at your daily surroundings to identify Earth resources. The video lectures for the week examine various aspects of finding, extracting, and using resources such as metals and stones. For the lab, you will utilize Google Earth to examine several mining sites around the world. In the discussion, you will weigh the pros and cons of mining operations, as many communities have had to do already. This week also includes peer grading discussions, as explained on the How Graded Discussions Work page. Finally, we provide an optional assignment for those who would like to identify some common minerals....
19 个视频 (总计 141 分钟), 1 个阅读材料, 4 个测验
19 个视频
4.A.2 Origin of Earth Materials5分钟
4.A.3 Defining Minerals7分钟
4.A.4 Clues for Identifying Minerals8分钟
4.B.1 Introducing Classes of Rocks5分钟
4.B.2 The Nature of Igneous Rocks9分钟
4.B.3 Different Types of Sedimentary Rocks4分钟
4.B.4 Formation of Clastic Sedimentary Rocks6分钟
4.B.5 Primary Sedimentary Structures and Sedimentary Basins6分钟
4.B.6 Carbonate Sedimentary Rocks6分钟
4.C.1 How Rocks Can Change11分钟
4.C.2 Metamorphic Rocks Part 18分钟
4.C.3 Metamorphic Rocks Part 27分钟
4.C.4 The Rock Cycle3分钟
4.D.1 The Practical Uses of Rocks8分钟
4.D.2 The Nature of Metal Ore Deposits9分钟
4.D.3 Global Steel Usage5分钟
4.E.1 Non-Metallic Minerals – Concrete and Crushed Rock10分钟
4.E.2 Other Non-Metallic Resources – Brick, Gypsum, Dimension Stone9分钟
1 个阅读材料
Week 4 Overview10分钟
3 个练习
Week 4 Quiz
Week 4 Assignment
Week 4 Lab30分钟
5
完成时间为 8 小时

Week 5: Energy Resources

The video lectures for this week cover various aspects of energy usage by modern civilization, especially our utilization of fossil fuels. The Week 5 Lab sends you on a Google Earth tour of energy-producing sites around the world, places where both conventional and alternative forms of energy are being generated. The Week 5 Assignment gives you a chance to survey your own personal use of energy – where does it come from and how much do you use – and then to share the information with others in the class. During the Week 5 Discussion, you will consider the implications of how society uses the energy of fossil fuels and the implications for the local environment and global climate....
18 个视频 (总计 130 分钟), 1 个阅读材料, 3 个测验
18 个视频
5.A.2. Human Use of Energy Over Time8分钟
5.B.1. Sources of Energy: Coal Part 16分钟
5.B.2. Sources of Energy: Coal Part 26分钟
5.B.3. Sources of Energy: Coal Part 35分钟
5.B.4. Problems Associated with Coal Mining5分钟
5.B.5. Problems Associated with Coal Use4分钟
5.C.1. Formation of Hydrocarbons: Oil and Gas7分钟
5.C.2. Conventional vs. Non-Conventional Hydrocarbons: Conventional Reserves9分钟
5.C.3. Exploring and Drilling for Oil9分钟
5.C.4. Transporting and Refining Oil4分钟
5.C.5. Where Does Oil Occur, and Why?6分钟
5.D.1. Non-Conventional Hydrocarbons: Tar Sands and Oil Shale5分钟
5.D.2. Natural Gas6分钟
5.D.3. Obtaining Shale Gas: Hydrofracturing7分钟
5.D.4. Challenges Associated with Obtaining Shale Gas11分钟
5.E.1. Some Hazards of Oil Production6分钟
5.E.2. Alternative Energy Resources8分钟
1 个阅读材料
Week 5 Overview10分钟
3 个练习
Week 5 Quiz
Week 5 Assignment
Week 5 Lab30分钟
4.8
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热门审阅

创建者 SHSep 11th 2017

This is the second time that I took this course. It was more in depth in topics than the original course, and I enjoyed it. Good presentation. Thank you.

创建者 SPJul 23rd 2017

Very good information - I loved the Google Earth Labs you guys set up for us. Really useful and a fun way to connect knowledge with real life.

讲师

Avatar

Dr. Stephen Marshak

Professor and Director of the School of Earth, Society, and Environment
Department of Geology
Avatar

Dr. Eileen Herrstrom

Lecturer
Geology

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