About This Chapter
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- Begin your assignment or other GED science work.
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This chapter of our GED science tutoring solution will benefit any student who is trying to learn about sound and light waves and earn better grades. This resource can help students including those who:
- Struggle with understanding wave properties, vibrations, nature of light, color, dispersion, Doppler Effect, wave-particle duality or any other sound and light waves topic
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- Learn at Your Pace: You can pause and rewatch lessons as often as you'd like, until you master the material.
- Understand how waves start out as vibrations.
- Become familiar with wave parameters.
- Provide examples of transverse and longitudinal waves.
- Name the factors that affect the speed of sound.
- List the sources of electromagnetic waves.
- Discuss the spectrum of light and color frequencies.
- Describe the relationship between the angle of incidence and reflection.
- Look at examples of diffuse reflection.
- Learn how we perceive color.
- Understand how refraction occurs when light travels between different materials.
- Explain how diffraction relates to light and sound.
- Discuss constructive and destructive interference.
- Provide examples of the Doppler Effect.
- Become familiar with wave-particle duality.
- List the seven major regions of the electromagnetic spectrum.
1. 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.
2. Wave Parameters: Wavelength, Amplitude, Period, Frequency & Speed
How do we measure and describe waves? How do waves differ based upon their shapes? This lesson will guide you through the five wave parameters - period, frequency, amplitude, wavelength, and speed - that we use to characterize waves.
3. Transverse & Longitudinal Waves: Definition & Examples
What comes to mind when you think of a wave? Chances are your mental image takes the form of a transverse wave. But, longitudinal waves are just as important, and understanding the difference is vital to learning about waves. In this lesson, explore both types of waves and the unique characteristics of each.
4. 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.
5. 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.
6. The Nature of Light: Origin, Spectrum & Color Frequency
This lesson introduces the basics of visible light and color. Learn how the visible light spectrum is divided into the six color ranges. We'll also discuss why different people name colors in different ways.
7. Reflection: Angle of Incidence and Curved Surfaces
How do waves reflect off of surfaces? How do we account for the images that we see reflected in various objects? Discover the answers to these questions as we investigate the rays and angles defining the law of reflection.
8. Diffuse Reflection: Definition, Examples & Surfaces
This lesson explores the law of reflection and how it applies to different surfaces and wave types. We'll learn the difference between specular and diffuse reflection and investigate how diffuse reflection affects our perception of sound and light.
9. Color: White Light, Reflection & Absorption
What gives color to objects? How do light waves interact with materials to produce red and green or white and black? In this lesson, learn how white light is composed of all colors and how absorption and reflection influence our color perception.
10. Refraction & Dispersion: Definition, Snell's Law & Index of Refraction
Refraction explains why light bends in water. But, did you know that mathematical laws determine exactly how light waves are bent? In this lesson, we'll explore the mechanics of wave refraction, including Snell's Law and the index of refraction.
11. Diffraction: Relation to Sound & Light and Effects of Wavelength
This lesson explores diffraction as one of the many behaviors of waves. Learn how diffraction occurs in sound and light waves and how it is affected by the wavelength of a wave. Find out how animals use diffraction to communicate and how scientists use it to study molecules.
12. Constructive and Destructive Interference
What happens when one wave meets another? Do the waves converge to make one giant wave? Or, do they destroy each other? In this lesson, we'll explore the workings of wave interference.
13. The Doppler Effect: Definition, Examples & Applications
What is the Doppler effect? How does it affect our perceptions of sound and light? In this lesson, learn how traveling wave sources can change the way we observe sound and light waves. Explore the applications of the Doppler effect on shock waves, sonic booms, and the movements of distant galaxies.
14. Wave-Particle Duality: Concept, Explanation & Examples
Is light a particle with mass and substance? Or, is it just a wave traveling through space? Most scientists say light is both a particle and a wave! Find out how they came to this strange conclusion as we learn about the theory of wave-particle duality.
15. Transmission of Light: Definition & Overview
This lesson will explain what is meant by 'transmission of light,' discuss the ways that light can be transmitted through a medium, and also explore how light is measured.
16. Transverse Wave: Definition, Parts & Examples
This lesson will define transverse waves, discuss the names for various features and parts of a transverse wave, and go through some examples of transverse waves in the world. A short quiz will follow.
17. Wave Period: Definition & Formula
Waves are all around us - we can see them in water, and we encounter them everyday in the form of sound waves and microwaves. The cycle of a wave can be fast or slow, and this is determined by the wave period, which is the main focus of this lesson.
18. Wave Rarefaction: Definition & Curves
This lesson will explain what a wave rarefaction is and how it forms. In order to do that, we will discuss what waves are in general and how longitudinal waves contain rarefactions.
19. What are Decibels? - Definition & Examples
Have you ever heard of decibels? Do you ever wonder what they are and how they are used? This lesson explains what decibels are and provides examples of how they are used.
20. What Are Gamma Rays? - Definition & Examples
Explore gamma rays and where they fit in relationship to other forms of electromagnetic energy, such as radio waves and x-rays. Learn what events and celestial bodies produce gamma rays, from nuclear explosions to supernovas.
21. What are Sound Waves? - Definition, Types & Uses
This lesson will explain what sound waves are, discuss features of sound waves, and provide some examples and uses they have in everyday life. A short quiz will follow.
22. What is a Prism? - Definition & Refraction
In this lesson, you'll learn about the prism and what prisms do to white light. You'll explore the properties of light waves as well as the concept of refraction, which causes white light to bend in a prism and spread out into the different spectrum of colors.
23. What is Amplitude? - Definition & Frequency
Discover practical examples of waves and the significance of wave amplitude. Learn about the relationship between frequency and wavelength and how they relate to the amplitude of the wave.
24. What Is Frequency? - Definition, Spectrum & Theory
In this lesson you will learn what frequency is, and how that is observed by our senses both in terms of light (the electromagnetic spectrum) and sound. A short quiz will follow.
25. What is the Law of Reflection of Light? - Definition & Overview
In this lesson you will learn about the concept of reflection, including one of the simplest laws of physics, the law of reflection. You will learn about the main features of the law of reflection as well as some application and facts about reflection in general.
26. What is Ultraviolet Light? - Definition, Wavelength & Uses
Ultraviolet light is invisible to the human eye but is very important for life. In this lesson, we'll learn where UV light comes from, how it affects living things, and how it is used in many other applications.
27. What is Visible Light? - Wavelength & Spectrum
In this lesson you will learn about the electromagnetic spectrum and where visible light can be found in that spectrum. You will learn about the properties of visible light such as the range of wavelengths and frequencies that make up the visible spectrum.
28. White Light: Definition, Source & Spectrum
In this lesson, you will learn about what white light is made up of and how to extract the components of white light through the process of dispersion. You will look at some of the properties of white light, like the spectrum of wavelengths and frequencies that make it up.
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