Issuu on Google+

How Does Sound Travel? 2P Theories • Air pushes air waves through the air. • Sound travels in many different directions. • Sound waves go from person to person. • Sound travels by air waves. • Sound travels by sound waves. • Sound waves are invisible. •You can’t see air waves. •When you throw a stone into the water the circles get bigger – these are like air waves.


How Does Sound Travel? 2P Theories • Sound travels through the space in something. • Sound waves travel by air waves. • Sound travels by air waves and the air waves travel at the speed of light. • Sound waves look like ripples in the water. • If we could see sound it would look like an area of circles. • Sound goes much too fast to see.


How Does Sound Travel? 2P Theories • Sound travels when the air flows. • Air pushes the sound. • Sound travels by sound waves and vibrations – they look like zig-zags. • Sound travels like a ripple in an air wave. • Sound travels through an echo. • Sound travels like when you throw a rock in the pond.



Science Talks