In this activity, students model how sound travels by sending waves along two stretched plastic slinkies tied together.
All waves behave in certain characteristic ways. They can undergo refraction, reflection, interference and diffraction. These basic properties define the behaviour of a wave – anything...
In this recorded professional learning session, Greta Dromgool and Ted Cizadlo will build your confidence to teach about the Physical World. The New Zealand Curriculum achievement...
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