Human senses - hearing
- Ears pick up sounds waves - they convert vibrations in the air to electrical impulses that pass to the brain. The brain processes these impulses and we 'hear' sound.
- The ear contains the smallest bone in human body - the stapes.
- Loudness is measured in decibels, the louder the sound, the more decibels.
- As we get older we lose our ability to hear high pitched (squeaky) sounds.
Sometimes our ears play tricks on us, particularly if you cannot see where a sound is coming from. With a partner, take turns making mystery noises and identifying them. There are lots of different noises you can make, clap your hands, click your fingers, scrunch up a paper ball. Make sure you have your eyes closed when it is your turn guessing.
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