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Ch 9: Energy in Everyday Life

About This Chapter

Our short and engaging lessons can help you better understand how energy is used in everyday life. Use this entertaining chapter, which includes self-assessment quizzes and a practice exam, to improve your ability to earn a passing grade on a test.

Energy in Everyday Life - Chapter Summary

Gain full comprehension of ways energy is used in everyday life by exploring this chapter's bite-sized lessons. Created by expert instructors, these lessons take you on a journey through concepts that include thermal energy, energy transformation and the internal energy of a system. After completing this chapter, you will be able to:

  • Describe causes of waves and the origins of vibrations
  • List and discuss types of energy conversions
  • Define and share types of energy
  • Provide the definition of light
  • Identify factors that impact the speed of sound
  • Discuss ways to model different manifestations of energy
  • Outline factors that influence energy transfer efficiency

Utilize the resources in this chapter in any manner that aligns with your study needs. Review one, several or all lessons and take accompanying quizzes to strengthen and assess your knowledge of important energy topics. Submit any questions you have about specific lesson topics to our experts via the Dashboard. These resources are accessible 24 hours a day via any computer or mobile device.

9 Lessons in Chapter 9: Energy in Everyday Life
Test your knowledge with a 30-question chapter practice test
Internal Energy of a System: Definition & Measurement

1. Internal Energy of a System: Definition & Measurement

We often talk about individual types of energy, but how do you measure total energy? One way is to find the internal energy of a system. Let's learn what it means and how it is measured.

Vibrations and Waves: Energy and Motion

2. Vibrations and Waves: Energy and Motion

What is a wave? What causes waves, and how do they travel from one place to another? This lesson will guide you through the basics of waves. We'll discuss their origins from vibrations and investigate how they carry energy through a medium.

Types of Energy Conversions

3. Types of Energy Conversions

After completing this lesson, you will be able to explain what energy is and what we mean when we say energy is 'conserved,' and give some examples of conversions between different types of energy.

Energy: Definition & Types

4. Energy: Definition & Types

After completing this lesson, you will be able to explain what energy is, list various types of energy, and identify which type or types of energy are present in a situation.

What is Thermal Energy? - Definition & Examples

5. What is Thermal Energy? - Definition & Examples

This lesson defines and identifies examples of thermal energy everywhere from your kitchen to the Earth's core. We'll discuss geothermal energy, a renewable energy source, as well.

What is Light?

6. What is Light?

This lesson will define and describe what light is from both technical and more common-use perspectives, discuss what the different kinds of light are, and explain why it's called radiation.

What is Sound? - Definition and Factors Affecting the Speed of Sound

7. What is Sound? - Definition and Factors Affecting the Speed of Sound

Explore the minute workings of sound waves and how they travel. We'll discuss the main factors that affect the speed of sound waves, and we'll try some mathematical problems involving the wave equation.

Energy Transformation: Definition, Types & Examples

8. Energy Transformation: Definition, Types & Examples

In this lesson, you will learn about the different kinds of energy and how these types of energy can be transformed from one form to another. You will also learn about some uses of these energy transformations in everyday life.

Factors Influencing Energy Transfer Efficiency

9. Factors Influencing Energy Transfer Efficiency

Energy is constantly be transferred from one form to another. In this lesson, we will discuss the factors that influence energy transfer efficiency. We will also cover the types of heat generated from energy transfer.

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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