Sound Waves Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Summary Test

Speed	
Different waves travel at different speeds. 
Waves on the sea are slow compared to the speed of sound. 
Sound travels 330 metres every second (330 m/s). 
But even that's not as fast as radio Waves. 
Radio waves travel at the speed of light. 
An amazing 330,000 kilometres per second!

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