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857729
studio magic
Description
1 year before GCSE Science Mind Map on studio magic, created by Saarah Ahmed on 11/05/2014.
No tags specified
ears
concave
canvex
osilliscope graphs
eyes
science
1 year before gcse
Mind Map by
Saarah Ahmed
, updated more than 1 year ago
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Created by
Saarah Ahmed
over 10 years ago
21
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Resource summary
studio magic
concave
concave lenses are for the long-sighted
the lense makes the rays come further apart
it enlarges the image so it hits the eye ball at the right time
the lense is fat in the middle like a cave
convex
it makes the rays become closer
it is thin in the midddle
convex lenses are for the short-sighted
it shrinks the image so it hits the eye in the right place
ear
1) ear canal - passes on the vibration into the eardrum
2) ear drum - starts to beat and passes the vibration to the ossicles
3) ossicles - pass the vibration onto the liquid in the cochlea
4) cochlea - change the vibration into electrical impulses and passes it onto the auditory nerve
5) auditory nerve - sends the signal to the brain
eye
iris- coloured part, made of muscle controls the amount of light going into the eye
retina- contains cells which are light seneitive
cornea- it refracts light
optic nerve- focuses light onto the retina
pupil- made smaller or bigger by the iris
long-sighted
the image is too big for them
if someone is long-sighted their eyeball is too small
they would have concave lenses
the image is being focused behind the retina
short-sighted
if someone is short-sighted their eyeball is too long
the image is being focused in front of the retina
the image is too small for them
they would have convex lenses
oscilloscope graph
amplitude- shows how loud the sound is
time period - if the lines are close, the sound is high
crest - the wave (semi-circle) at the top of the wave
trough - the empty space between the waves
Media attachments
osilliscope_graph_labelled.gif (image/gif)
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