exercise chapter 3.doc

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EXERCISE CHAPTER 3 – MATTER

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16. Diagram below shows an e!erimen" is #arrie$ o%" "o #om!are "he

$ensi"ies o&

ob'e#"s whi#h are ma$e o& $i(eren" s%bs"an#es. Three $i(eren" ob'e#"s

are !%"in"o a $is!la#emen" #an one b) one "o meas%re i"s *ol%me. The mass o&

ea#h ob'e#"

is +, g.

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Table below shows "he res%l"s o& "he e!erimen".

Di(eren" o&

ob'e#"s

Mass -g /ol%me -#m3 Densi") -g0#m3

lass +, 16.,2oo$ +, ,.,Plas"i# +, 4,.,

a Com!le"e "he "able abo*e "o 5n$ "he $ensi") o& "he ob'e#"s. -3 mars

b S"a"e "he *ariables in "his e!erimen" -7 mars

i Cons"an" *ariable 8 99999999999999999999999999999999999999999999999999

ii Mani!%la"e$ *ariable 8 99999999999999999999999999999999999999999999999

# :ase$ on "he res%l" in "he "able abo*e; $raw a bar #har" "o show "he

$ensi") o&

$i(eren" ob'e#"s. -7 mars

$ The $ensi")o& wa"er is 1 g0#m3; whi#h ob'e#" will sin< -1 mar

9999999999999999999999999999999999999999999999999999999999999999

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e E!lain )o%r answer in -$ -1 mar

99999999999999999999999999999999999999999999999999999999999999999999999999999999999

& Arrange "he ob'e#"s base$ on "heir $ensi"ies in a se=%en#e s"ar"ing &rom

"he

highes" "o "he lowes" $ensi") - 1 mar

9999999999999999999999999999999999999999999999999999999999999999

g :ase$ on "he e!erimen"; s"a"e "he rela"ionshi! be"ween "he $ensi") an$

"he *ol%me

o& ob'e#"s wi"h "he same mass -1 mar

99999999999999999999999999999999999999999999999999999999999999999999999999999999999

99999999999999999999999999999999999999999999999999999999999999999999999999999999999

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exercise chapter 3.doc

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