Sound is energy
Understand that sound is a form of energy created by vibrations. Physical processes - Sound - What is sound? Learning Points Sound is a form of energy. Sound travels in waves away from the source. Sound waves travel in all directions. Low-energy sounds are quiet. High-energy sounds are loud. A Twig Curriculum Film. Delivering key learning points. Get straight to the facts in just three minutes – directly linked to core learning, Twig's curriculum films will fit neatly into your lesson plans.
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