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Ch 20: Scientific Principles

About This Chapter

Use the short, engaging video lessons in this chapter to get a comprehensive overview of scientific principles. Assess your knowledge of lesson concepts by taking mini quizzes and a practice exam as you study for an upcoming test.

Scientific Principles - Chapter Summary

Expert instructors have developed fun online lessons that you can access whenever and wherever your schedule permits to boost your knowledge of various scientific principles. Get a quality understanding of the scientific method, experimental design in science and more without setting foot in a traditional classroom. Once you've completed this chapter, you will be able to:

  • Utilize specific study skills to strengthen your comprehension of science concepts and vocabulary
  • Discuss the terms and steps of the scientific method
  • Describe the use of experimental design in science
  • Read scientific graphs and charts effectively

Select the lessons you want to review based on your existing knowledge of the scientific principles covered in this chapter. Enjoy the ability to review the lessons as entertaining videos or full transcripts. Feel confident that you understand the concepts you review by taking multiple-choice quizzes. Clarify topics you don't understand or expand your knowledge by sending lesson topic questions to our experts.

13 Lessons in Chapter 20: Scientific Principles
Test your knowledge with a 30-question chapter practice test
The Nature of Science

1. The Nature of Science

This lesson will explore the basic nature of science. It will distinguish science from pseudoscience and hypothesis from theory and natural law; it will give plenty of examples of each.

Important Characteristics of Scientists

2. Important Characteristics of Scientists

Learn what scientists are and find out about the various characteristics, including curiosity and creativity, that are important for scientists to have in order to be successful. When you're through, test your knowledge with a brief quiz.

Science Vocabulary & Concepts: Study Skills & Word Parts

3. Science Vocabulary & Concepts: Study Skills & Word Parts

Learning science presents a unique set of challenges for students. In this lesson, learn the tricks of the trade as we discuss scientific vocabulary and other science study skills.

The Scientific Method: Steps, Terms & Examples

4. The Scientific Method: Steps, Terms & Examples

The scientific method is more than just hypotheses and experiments. In this lesson, we'll explore the themes and variations that make up the world of science.

How Scientific Observations Lead to Scientific Questioning

5. How Scientific Observations Lead to Scientific Questioning

Scientific observations are a major component of the scientific process because they lead scientists to ask questions about the world around them. These questions may then be refined with continued observation, or they may be tested through experimentation.

How to Evaluate Scientific Questions

6. How to Evaluate Scientific Questions

Learn about what makes a good scientific and testable question. Then look at various ways to improve non-scientific questions to make them more scientific.

Experimental Design in Science: Definition & Method

7. Experimental Design in Science: Definition & Method

What are the requirements of a scientific experiment? How do scientists turn hypotheses into theories and laws? Learn the answers to these questions and more in this lesson on the design of scientific experiments.

How to Read Scientific Graphs & Charts

8. How to Read Scientific Graphs & Charts

How do scientists summarize their findings with visual aids? In this lesson, explore the different types of tables, charts and graphs that scientists use. Learn to read these effectively as a preview to your science studies.

Observing Changes in Natural Phenomena Over Time

9. Observing Changes in Natural Phenomena Over Time

Science is all about observing changes - even when they are difficult to observe. Learn about how scientists observe changes in natural phenomena over time. Test your knowledge after the lesson with a quiz.

Impact of Technology & Math on Science

10. Impact of Technology & Math on Science

Learn how technology and mathematics are central to science. Discover examples of how scientists use technology and mathematics for research and communication.

Using Technology in Scientific Experiments & Analysis

11. Using Technology in Scientific Experiments & Analysis

How is technology used in scientific experiments? How is it used to analyze data? Learn about how science and technology are related, and then take a quiz to see what you've picked up.

How Science and Technology Shape History

12. How Science and Technology Shape History

We invite you to discover how science and technology have completely shaped and changed the course of human history, from the wheel to the combustion engine to medicine to the internet, in this lesson.

How Science, Technology & Economic Activity Shape Societies

13. How Science, Technology & Economic Activity Shape Societies

After watching this video, you will be able to explain how science, technology and economic activity have shaped human societies, from the agricultural revolution to the Industrial Revolution to the digital age. 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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