Waves: interactive lessons
Year 11 Science. From slinkies to fibre optics: how waves carry energy, and what they do when they meet something. Each chapter is a narrated, animated lesson with activities and exam practice. Turn your sound on, and use Chrome for the Google voice.
Chapter 1 · Definition, LOs 1–3
What is a wave?
Transverse vs longitudinal waves, with a slinky lab.
Chapter 2 · LOs 6, 7, 9, 10Measuring waves
Amplitude, wavelength, period, frequency, v = fλ and prefixes.
Chapter 3 · LOs 4, 5, 22The electromagnetic spectrum
The seven EM waves in order, their uses, and photon energy.
Chapter 4 · LOs 8, 11–13Reflection and echoes
Wavefronts and rays, the law of reflection, satellites and echoes.
Chapter 5 · LOs 14–17Refraction and total internal reflection
Snell's law, critical angle, TIR and fibre optics in a ray-box lab.
Chapter 6 · LOs 18–21Diffraction
Gaps, barriers, radio over hills and black spots in a ripple tank.
Six chapters covering all 22 learning outcomes in the Year 11 waves notes. Each chapter ends with exam practice.