PowerPoint in science

7/24/2019 PowerPoint in science

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MORE LIGHTPASSES

THROUGH

TRANSPARENTMATERIALS


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Look at the picture.Observe the path of i!ht.

Ho" ca# $ou k#o" thati!ht traves i# a strai!ht

i#e a#% out"ar% i# a%irectio#. Tr$ to e&pai#.


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TAL' A(OUT IT)

*. +hat %i% $ou see o#

the ha#%s "he# thei!ht co,es fro, the

fashi!ht-


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. +h$ %i% the i!htpass throu!h-

/. +hat are the,aterias that ao"s

i!ht to pass throu!h-


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0. +hat %o $ou ca

this ki#% of,aterias-


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REMEM(ER) Ho" ,uch i!ht

are pass throu!h i#tra#spare#t ,aterias-


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APPL1) +h$ ca# "e see

ob2ects that are behi#%tra#spare#t ,aterias-


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TEST 1OURSEL3)

4hoose the etter of the

best a#s"er. *. +here ca# i!ht

cear$ pass throu!h-


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A. rubber(. "oo%

4. cear "i#%o"

5. #otebook


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. +hich of the

foo"i#! ,ateria

is tra#spare#t- A. coth

(. backboar%


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4. paper

5. cear pastic cover

/. +hich of the foo"i#!,aterias ao" i!ht to

pass throu!h it-


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A. cear !ass(. stee

4. tabe

5. %oor


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6. +hat ki#% of ,aterias

ao" i!ht to pass throu!h it-

A. opa7ue

(. tra#spare#t

4. tra#suce#t

5. u,i#ous


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0. Ho" are cearceopha#e8 pastic

cover8 a#% !ass

si,iar- A. absorb i!ht


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(. No i!ht ca# pass

throu!h it

4. Litte i!ht ca# pass throu!h it

5. More i!ht ca# passthrou!h it


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ANS+ERS)*. 4

. 5/. A

6. (

0. 4


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ASSIGNMENT)

5ra" or cutouts*9 e&a,pes of

tra#spare#t ,aterias.


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