Ch 6: MTLE Middle Level Science: Components & Evolution of Earth

About This Chapter

Study the Earth's components and its evolution by accessing this chapter's topical text and video lessons online. Prepare to answer the MTLE Middle Level Science examination's related questions through this process.

MTLE Middle Level Science: Components and Evolution of Earth - Chapter Summary

This chapter includes text and video lessons that are designed to teach learners about the layers, rocks and oceans that make up our planet. Get information about the Earth's origins as well as its valleys and mountains. You can also discover what goes on during a volcanic eruption while you prepare to correctly answer questions on the MTLE Middle Level Science examination. Use this chapter's lessons for help with:

  • Exploring theories on the Earth's creation
  • Identifying major types of rocks
  • Understanding how heat can cause the metamorphosis of rocks
  • Discussing the formation of volcanic landforms
  • Explaining how rift valleys and ocean basins are formed over time
  • Describing different types of mountains and fossils
  • Recognizing rock strata and its significance
  • Understanding the usefulness of radioactive isotopes

Even if you have a good amount of knowledge of the above topics, you can utilize this chapter as an extra resource that helps to prepare you to pass the MTLE Middle Level Science examination. The online video lessons are animated and narrated by seasoned educators, while the text lessons focus more on the written word. Both lesson types include five-question quizzes. Access either lesson format on your laptop or mobile device.

MTLE Middle Level Science: Components and Evolution of Earth Chapter Objectives

Subtest 1 and Subtest 2 of the MTLE Middle Level Science examination both consist of 50 multiple-choice questions. You'll have a one-hour time limit to complete each of them. The subtests have two subsections apiece. The second subsection of Subtest 1 is titled Earth and Space Systems. When you're working on these questions in particular, you can apply your knowledge of ocean systems, volcanoes, various rock forms and more. Earth and Space Systems is equal to 57% of the subtest weighting.

10 Lessons in Chapter 6: MTLE Middle Level Science: Components & Evolution of Earth
Test your knowledge with a 30-question chapter practice test
Formation of the Earth: Theories

1. Formation of the Earth: Theories

In this lesson, the theory of how the planet Earth formed will be discussed. This includes looking at how it differentiated into three layers, how it formed its atmosphere, water, and land features, and how it continues to evolve today.

Rock Cycle: Igneous, Sedimentary, and Metamorphic Rocks

2. Rock Cycle: Igneous, Sedimentary, and Metamorphic Rocks

In this lesson, we will discuss the three main types of rocks and how they are formed. The lesson also gives an introduction into how matter locked in rocks can be cycled through the earth.

Metamorphism of Rocks: Definition, Process & Influencing Factors

3. Metamorphism of Rocks: Definition, Process & Influencing Factors

Exposure to intense heat and pressure can result in the metamorphism of previously formed rocks. Learn about the factors that influence metamorphism and the metamorphic processes: recrystallization, neometamorphism and metasomatism in this lesson.

Volcanic Landforms: Types & Formation

4. Volcanic Landforms: Types & Formation

Volcanic eruptions pull materials up from deep within the earth to form various volcanic landforms, such as lava domes, lava plateaus, fissure eruptions, craters and calderas. Learn about these volcanic landforms and how they are created.

Rift Valley: Definition & Facts

5. Rift Valley: Definition & Facts

Rift valleys are created slowly, but they are literally earth-shattering. In this lesson you will learn about the powerful forces that create them, their special features, and aspects about the world's largest rift valleys.

Ocean Basins: Definition, Formation, Features & Types

6. Ocean Basins: Definition, Formation, Features & Types

Ocean basins are those areas found under the sea. They can be relatively inactive areas where deposits of sediment slowly collect or active areas where tectonic plates meet. Learn how ocean basins form and about features such as oceanic ridges and trenches.

The Processes of Mountain Building

7. The Processes of Mountain Building

In this video lesson, you will learn about the process of mountain building. You will identify different ways that mountains form, as well as the different types of mountains that result from this process.

Rock Strata: Definition & Explanation

8. Rock Strata: Definition & Explanation

Rock strata are found almost everywhere, even on the tops of mountains. In this lesson, we'll learn what rock strata look like, how they form, and their importance to geologists. Then you can test your knowledge with a short quiz.

Fossil Evidence: Definition & Overview

9. Fossil Evidence: Definition & Overview

Fossils are critical tools in science because they give us clues to the types of plants and animals that lived on Earth in the past. In this lesson, you will learn about the types of fossils and how they were formed.

How Radioactive Isotopes Track Biological Molecules

10. How Radioactive Isotopes Track Biological Molecules

Radioactive isotopes can be used to track atoms and label biological molecules. This lesson explores how this can be applied to microbiology to learn more about the way a cell works.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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