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Powerpoint Description:

Use this slideshow to help you teach the P5 unit, including: definitions of terms such as amplitude, frequency and wavelength, the Wave Equation, transverse and longitudinal waves, what happens when waves hit boundaries, reflection, refraction, using waves in sonar and ultrasound, how sound waves are transmitted and detected by the ear, measuring the speed of waves, how waves are movements of energy, the Electromagnetic Spectrum, visible light and its wavelengths, using infra red and microwaves to send signals, uses and dangers of different parts of the electromagnetic spectrum, medical imaging using waves, sending signals with radio waves, lenses and how they work, convex and concave lenses, ray diagrams for lenses, using lenses to correct vision, specular and diffuse reflection, how filters work, seeing different colours with different filters.

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