Below are the previews for the slide in Topic 4 - Waves. If you click on them, you can see larger versions. If you are on a computer you can press the left and right arrows to move. You can also click the arrows to the left and right of the screen.
Powerpoint Description:This slideshow covers the Waves topic from the 2016 EdExcel GCSE course and includes: what a wave is, definitions of words such as amplitude, frequency and wavelength, transverse and longitudinal waves, the wave equation, speed of water waves, wavefronts, what happens when waves hit a boundary, refraction of waves at a boundary, how sound travels, converting sound to electrical signals using a microphone, infrasound, ultrasound, echo sounding and using earthquakes to explore the structure of the Earth.
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