Famous Swimmers

Here is a prestioan that I made. it is about two famous New Zealand swimmers.

Facts about Sound

Sound comes from vibrations. These vibrations create sound waves which move through mediums such as air and water before reaching our ears.

http://www.sciencekids.co.nz/sciencefacts/sound.html

Large vibrations make a loud sound, and small vibrations make a quieter sound.

http://www.prisci.gold.ac.uk/hearingwhispers/facts.htm