• Chapter 12 – Sound

     

    When students have completed this lesson they will find out:

    • How sounds are produced
    • How to measure the speed of sound
    • How pitch and loudness are related to frequency and amplitude
    • How sound travels
    • About the speed of sound in different materials
     
    Chapter 13 – Light
     
    When students have completed this lesson they will find out: 
    • How to use the law of reflection of light
    • How a plane mirror forms an image
    • How to construct ray diagrams for reflection
    • How light is refracted
    • How to use Snell’s law to determine the refractive index
    • How to describe total internal reflection
    • How to use ray diagrams to explain how a lens forms a real image
    • How a magnifying glass works
     
    Chapter 14 – Properties of Waves
     
    When students have completed this lesson they will find out: 
    • How to describe a wave in terms of speed, amplitude, frequency and wavelength
    • The differences between transverse waves and longitudinal waves
    • How to calculate wave speed
    • How to describe reflection and refraction of waves
    • How to explain reflection, refraction and diffraction of waves
     
    Chapter 15 – Spectra
     
    When students have completed this lesson they will find out: 
    • How to describe the dispersion of light by a prism
    • How to describe the main features of the electromagnetic spectrum
    • That all electromagnetic waves travel at the same speed in vacuum
    • The value of the speed of electromagnetic waves