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Ch 3: Solar Radiation

About This Chapter

Discover what solar radiation is and why it is important through this series of video lessons. Engaging graphics and animations help you retain key info about solar radiation.

Solar Radiation - Chapter Summary and Learning Objectives

Explore energy's importance in nature through this chapter on solar radiation. You'll learn about the electromagnetic spectrum, examine various laws of radiation and find out how solar energy affects the Earth's temperature. By the end of this chapter, you also should be able to:

  • Differentiate between thermal and solar energy.
  • Explain the differences among Rayleigh, Mie and nonselective scattering.
  • Discuss how the Earth's atmosphere maintains the temperatures and climates in which life forms have evolved.
  • Define various terms related to energy transfer, including surface-atmosphere radiation exchange, sensible heat and latent heat.
  • Identify the main greenhouse gases.

VideoObjective
What is Energy? - Definition and Significance in NatureDefine energy and describe its overall significance in nature.
Kinetic Energy to Potential Energy: Relationship in Different Energy TypesDescribe the relationship between kinetic and potential energy in the various energy types.
What is Solar Radiation? - Definition & EffectsDescribe the effect of solar radiation on seasonal changes.
What is Thermal Energy? - Definition & ExamplesDescribe thermal energy and identify examples in nature.
What is Solar Energy? - Definition, Lesson & QuizDescribe solar energy and identify examples in nature.
Electromagnetic Waves: Definition, Sources & PropertiesDefine electromagnetic waves, their properties and sources. Introduce the electromagnetic spectrum and the different categories of waves.
The 7 Major Regions of the Electromagnetic SpectrumDefine and examine the seven major regions of the electromagnetic spectrum: radio, microwaves, infrared, visible light, ultraviolet, x-rays and gamma rays.
Laws of Radiation: The Wien and Stefan-Boltzmann Laws Discuss these two laws of radiation and how they relate to the amount of emitted radiation.
The Concept of Blackbody & Radiation's Dependence on TemperatureExplain the concept of blackbody and how radiation depends on temperature.
The Solar Constant & Its VariationsDefine and describe the solar constant. Explain how the Inverse Square Law is used to calculate the decrease in radiation intensity due to an increase in distance from the radiation source. Discuss variations of the solar constant and their relation to weather.
How the Rotation of Earth Affects the Seasons and ClimatesDiscuss how the Earth revolves around the sun, including how close it is to the sun. Explain how the Earth rotates and how both the revolution and rotation of Earth affect the seasons and climate change.
Solar Energy: Effects on Earth's TemperatureSummarize the effects of solar energy on Earth's temperature.
Solar Radiation Transfer: Absorption, Reflection & ScatteringDiscuss the concept of solar radiation transfer, including absorption, reflection and scattering. Discuss how solar radiation is absorbed and reflected by the atmosphere and the Earth so that the atmosphere acts as a filter and how the atmosphere provides a natural 'greenhouse effect'.
Mechanisms of Heat Transfer: Conduction, Convection & RadiationDescribe the mechanisms of heat transfer within the atmosphere, including conduction, convection and radiation.
Solar Radiation & the Energy Transfer ProcessDiscuss the energy transfer process as it relates to solar radiation.
Greenhouse Gases and the Enhanced Greenhouse EffectList the five main greenhouse gases, and describe the enhanced greenhouse effect.

15 Lessons in Chapter 3: Solar Radiation
Test your knowledge with a 30-question chapter practice test
What is Energy? - Definition and Significance in Nature

1. What is Energy? - Definition and Significance in Nature

This lesson describes the nature of energy and how it is transferred from one source into another. Additionally, it will describe the significance of energy in natural systems.

Kinetic Energy to Potential Energy: Relationship in Different Energy Types

2. Kinetic Energy to Potential Energy: Relationship in Different Energy Types

This video defines and describes kinetic and potential energy. You'll learn how different types of energy can be classified as potential and kinetic. You'll also find out how kinetic and potential energy are transformed.

What is Solar Radiation? - Definition & Effects

3. What is Solar Radiation? - Definition & Effects

The sun plays an important role to us on Earth. It provides many things such as light and warmth. But, what is solar radiation and how does it affect us? In this video lesson, you'll learn about solar radiation, how it allows us to survive, and the influence it has on our global climate.

What is Thermal Energy? - Definition & Examples

4. 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 Solar Energy? - Definition, Pros & Cons

5. What is Solar Energy? - Definition, Pros & Cons

Learn about solar energy and how charged particles from the sun travel to Earth to provide heat and light. Explore solar energy as a direct and indirect energy source and examine the pros and cons of harvesting solar energy for other uses.

Electromagnetic Waves: Definition, Sources & Properties

6. Electromagnetic Waves: Definition, Sources & Properties

In this lesson, learn the basics of electromagnetic waves and how they make up the electromagnetic spectrum. We will explore the major trends and categories within the spectrum, as well as the various sources of electromagnetic waves.

The 7 Major Regions of the Electromagnetic Spectrum

7. The 7 Major Regions of the Electromagnetic Spectrum

This lesson will walk you through each of the major regions of the electromagnetic spectrum. Explore the unique characteristics of X-rays, microwaves, radio waves, UV rays, infrared, gamma rays, and of course, visible light.

What Are Wien's Law & the Stefan-Boltzmann Law?

8. What Are Wien's Law & the Stefan-Boltzmann Law?

This lesson will explain why an object glows and why it changes color with temperature as we take a look at blackbodies, electromagnetic radiation, Wien's Law, and the Stefan-Boltzmann Law.

The Solar Constant & Inverse Square Law in Weather

9. The Solar Constant & Inverse Square Law in Weather

In this lesson, we will explore the solar constant and the inverse square law as they pertain to how much energy is absorbed by Earth's atmosphere and how it affects weather and climate. You can test yourself at the end with a brief quiz.

Effects of the Earth's Rotation & Revolution

10. Effects of the Earth's Rotation & Revolution

This lesson explores the factors that influence seasons, daylight, and temperatures on our planet, including rotation and radiation. At the end, you can test your knowledge with a brief quiz.

Solar Energy: Effects on Earth's Temperature

11. Solar Energy: Effects on Earth's Temperature

In this video lesson, learn about solar energy and how it affects temperatures on Earth. You will also learn what causes changes in day length and why some parts of Earth experience seasonal differences throughout the year.

Solar Radiation Transfer: Absorption, Reflection & Scattering

12. Solar Radiation Transfer: Absorption, Reflection & Scattering

The sun constantly showers Earth with radiation. Some is absorbed, some is reflected, and some is scattered by the atmosphere. Here, we will explore what happens to this radiation and finish with a brief quiz.

Mechanisms of Heat Transfer: Conduction, Convection & Radiation

13. Mechanisms of Heat Transfer: Conduction, Convection & Radiation

There are three main ways that heat is transferred between substances or objects. In this video lesson you'll learn about each one, and identify the differences between them.

The Energy Transfer Process & Solar Radiation

14. The Energy Transfer Process & Solar Radiation

Solar radiation is the reason that Earth is a hospitable planet for life. In this video lesson, you'll learn about this important energy source, as well as how energy is transferred and how this movement affects both regional and global temperatures.

Greenhouse Gases and the Enhanced Greenhouse Effect

15. Greenhouse Gases and the Enhanced Greenhouse Effect

In this video lesson, you will learn about the five main greenhouse gases and how their unnaturally high concentrations are leading to the enhanced greenhouse effect and global climate change on Earth.

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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