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Ch 10: Earth's Spheres and Astronomy: Help and Review

About This Chapter

The Earth's Spheres and Astronomy chapter of this Intro to Astronomy Help and Review course is the simplest way to master understanding Earth's spheres and astronomy. This chapter uses simple and fun videos that are about five minutes long plus lesson quizzes and a chapter exam to ensure students learn the essentials of the topic.

Who's it for?

Anyone who needs help learning or mastering Intro to Astronomy material will benefit from taking this course. There is no faster or easier way to learn introductory astronomy. Among those who would benefit are:

  • Students who have fallen behind in understanding Earth's spheres and astronomy
  • Students who struggle with learning disabilities or learning differences, including autism and ADHD
  • Students who prefer multiple ways of learning science (visual or auditory)
  • Students who have missed class time and need to catch up
  • Students who need an efficient way to learn about Earth's spheres and astronomy
  • Students who struggle to understand their teachers
  • Students who attend schools without extra science learning resources

How it works:

  • Find videos in our course that cover what you need to learn or review.
  • Press play and watch the video lesson.
  • Refer to the video transcripts to reinforce your learning.
  • Test your understanding of each lesson with short quizzes.
  • Verify you're ready by completing the Earth's Spheres and Astronomy chapter exam.

Why it works:

  • Study Efficiently: Skip what you know, review what you don't.
  • Retain What You Learn: Engaging animations and real-life examples make topics easy to grasp.
  • Be Ready on Test Day: Use the Earth's Spheres and Astronomy chapter exam to be prepared.
  • Get Extra Support: Ask our subject-matter experts any Earth's Spheres and Astronomy question. They're here to help!
  • Study With Flexibility: Watch videos on any Web-ready device.

Students will review:

This chapter helps students review the concepts in a Earth's spheres and astronomy unit of a standard Intro to Astronomy course. Topics covered include:

  • How Earth's surface is shaped by its internal and external forces
  • The four spheres of Earth: geosphere, hydrosphere, biosphere and atmosphere
  • Interaction of Earth spheres
  • Earth's internal layers: crust, mantle, core
  • Studying Earth's interior structure
  • Astronomy, the Earth's climate and the Milankovitch hypothesis

9 Lessons in Chapter 10: Earth's Spheres and Astronomy: Help and Review
Test your knowledge with a 30-question chapter practice test
The Dynamic Earth: Internal & External Forces that Shape Earth's Surface

1. The Dynamic Earth: Internal & External Forces that Shape Earth's Surface

There are many geologic processes that shape the surface of the Earth. Not only do they build and destroy a variety of landscapes, but they also give us clues to the interior of the Earth and the forces that exist there.

The Four Spheres of Earth: Geosphere, Hydrosphere, Biosphere, and Atmosphere

2. The Four Spheres of Earth: Geosphere, Hydrosphere, Biosphere, and Atmosphere

Earth is made up of four distinct yet connect spheres. In this video lesson, you will learn about where each sphere is found on Earth, as well as some features commonly found in each.

Interactions of Earth's Spheres: Purpose and Examples

3. Interactions of Earth's Spheres: Purpose and Examples

The four spheres of Earth drive all of its processes and support life on our unique planet. In this video lesson, you will see examples of how Earth's spheres interact with each other to form an overall complex and connected system.

How Scientists Study Earth's Interior Structure

4. How Scientists Study Earth's Interior Structure

We can't see what Earth's interior is made of, but scientists are able to study it in other ways. In this video lesson, you will learn how seismic activity helps us understand and describe the inner layers of the earth.

Four Stages of Planetary Development

5. Four Stages of Planetary Development

This lesson will describe the four stage of planetary development. They are, from past to present, differentiation, cratering, flooding, and slow surface evolution.

Earth's Internal Layers: Crust, Mantle & Core

6. Earth's Internal Layers: Crust, Mantle & Core

Earth is made up of several different layers, each with unique properties. In this video lesson, you will identify each layer of Earth and how it relates to Earth as a whole.

Seismic Wave: Definition, Types & Frequency

7. Seismic Wave: Definition, Types & Frequency

In this lesson, you will learn what seismic waves are, the various types of seismic waves, and their frequencies. You will learn about P-waves, S-waves, Rayleigh waves and Love waves. A short quiz will follow.

Plate Tectonics: A Unified Theory for Change of the Earth's Surface

8. Plate Tectonics: A Unified Theory for Change of the Earth's Surface

After many years of trying to solve the mystery of the moving continents, enough data and evidence was collected to develop a unifying theory of how the surface of the earth changes. It's called plate tectonics.

Subduction Zone: Definition, Location & Example

9. Subduction Zone: Definition, Location & Example

This lesson will discuss the meaning of the term 'subduction zone,' and where they occur in terms of tectonic plate boundaries. A few examples will be included, and a short quiz will follow.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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