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Ch 23: TASC Science: Human Impacts on Earth Systems

About This Chapter

Learn about human impacts on Earth systems to get ready for the TASC Science exam. Our professional instructors use video and text lessons to communicate key material.

TASC Science: Human Impacts on Earth Systems - Chapter Summary

Various impacts on the environment are examined in this chapter, such as those dealing with the physical, chemical and biological types of pollution. The videos and transcripts also cover the following topics to help you with your TASC Science test prep:

  • The IPAT equation
  • Declining biological diversity, deforestation and desertification
  • Environmental impacts of the Industrial Revolution and Agricultural Revolution
  • Pollution
  • Causes and effects of sea level changes
  • The precautionary principal
  • Voluntary simplicity

Our instructors effectively explain these topics through engaging, educational videos and coordinating texts. Some of the most notable pieces of the transcripts are displayed in bold for easy reference.

Objectives of the TASC Science: Human Impacts on Earth Systems Chapter

The TASC Science exam evaluates your familiarity with major science content to establish high school equivalency. Your understanding of the material in this chapter will come in handy for the questions you'll be asked in the exam's Earth and space sciences content domain; the Earth and space sciences questions amount to 28% of the exam. The practice quizzes in this chapter show you questions that may be very similar to ones on your exam. Nearly all TASC Science questions are in a multiple-choice format, though there is also a constructed-response question. If you take the exam on a computer, as opposed to the pencil-and-paper version, you'll also have a technology-enhanced question.

8 Lessons in Chapter 23: TASC Science: Human Impacts on Earth Systems
Test your knowledge with a 30-question chapter practice test
What Is IPAT? - Factors of the Human Impact on the Environment

1. What Is IPAT? - Factors of the Human Impact on the Environment

What do the letters IPAT have to do with the environment? Learn how this four-letter equation helps explain the environmental impact of different variables, including population, affluence, and technology.

Deforestation, Desertification & Declining Biological Diversity

2. Deforestation, Desertification & Declining Biological Diversity

When trees are lost due to deforestation, the result can be a drier climate and desertification or the transformation of the once fertile land to desert. Learn how deforestation and desertification can lead to a decline in biological diversity.

The Agricultural Revolution: Impacts on the Environment

3. The Agricultural Revolution: Impacts on the Environment

The Agricultural Revolution was a time of agricultural development that saw many inventions and advancements in farming techniques. Learn about the Agricultural Revolution and how this period impacted society and the environment.

The Industrial Revolution: Impacts on the Environment

4. The Industrial Revolution: Impacts on the Environment

The Industrial Revolution was marked by the introduction of power-driven machinery and ushered in a time of strong economic development. Learn how advancements made during the Industrial Revolution impacted the environment.

Pollution: Physical, Chemical & Biological

5. Pollution: Physical, Chemical & Biological

Pollution is the presence of unwanted substances in an environment. It is often the result of human interference. Learn about physical, chemical and biological pollutants and see examples of each.

Changes in Sea Level: Causes & the Effect on the Environment

6. Changes in Sea Level: Causes & the Effect on the Environment

Sea level rise is a natural process, but recent trends are concerning because it is increasing at an alarming rate. In this lesson, you'll learn what causes changes in sea level and what effect rising sea level has on humans and the environment.

Understanding Voluntary Simplicity as a Form of Sustainable Consumption

7. Understanding Voluntary Simplicity as a Form of Sustainable Consumption

Voluntary simplicity is a form of sustainable consumption that involves a conscious decision to use fewer natural resources. Learn how following a voluntary simplicity lifestyle can meet your needs and desires and reduce damage to the environment.

The Precautionary Principle and New Technologies & Products

8. The Precautionary Principle and New Technologies & Products

In this lesson, you will learn about the precautionary principle and how it applies to new technologies and products. You will also learn about how this principle is applied in different government regulations.

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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