Natural Science. 2nd of ESO. Unit 12: Light & Sound

8/17/2019 Natural Science. 2nd of ESO. Unit 12: Light & Sound

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NATURAL SCIENCE2ND OF ESO

UNIT 12

LIGHT &

SOUND


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What is a wave?


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Anatomy of a wave


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Light on objects


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Mirrors


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Light is reflected when it passesfr! ne !edi"! t anther!edi"! which has differentdensit#$

In this sit"atin% instead f&"ncing &ac'% light &ends at the&"ndar# &etween the tw la#ers$


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Lenses


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Type of lenses

(agnif#ing glasses arecn)erging lenses$ The#cncentrate light and createa )irt"all# larger i!age$

Lenses fr shrtsighted

peple are di)erging lenses$The# disperse light andcreate a )irt"all# s!alleri!age$


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Isaac Newton c!pr&* +"e al

hacer pasar l", &lancapr "n pris!a decristal% -sta se

desc!pn.a endiferentes clres$


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Natural Science. 2nd of ESO. Unit 12: Light & Sound

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