obser&ation in %is'%er surroundin(s) For
e*am$le+ ,-%at ma.es a bulb li(%t u$
bri(%ter/0
#ou "%an(e is "alled mani$ulated &ariable)
T%e res$ondin( &ariable is -%at #ou
obser&e or measure to obtain results)
Fa"tors t%at are not "%an(ed are "alled
"onstant &ariables)
2 %#$ot%esis is a statement t%at "an be
tested) It s%o-s t%e relations%i$ bet-een
t%e mani$ulated &ariable and t%e
res$ondin( &ariable) For e*am$le+ i more
batteries are used t%en t%e bulb be"omes
bri(%ter)
im$ortant so t%at t%e %#$ot%esis "ould be
tested) T%is in&ol&es t%e ollo-in( 4
Identi#in( t%e materials and a$$aratus
used)
Determinin( t%e $ro"edure -%i"% in"ludes
-%at to obser&e or -%at to measure in t%e
in&esti(ation)
t%e $ro"edures as $lanned earlier)
obser&ations or measurements) T%e data
s%ould be "olle"ted and or(anised
s#stemati"all#)
  2nal#se t%e data to loo. or an# $atterns
or trends) Patterns "an be"ome ob&ious i
#ou or(anise #our data in t%e orm o
(ra$%+ table or "%art) It %el$s to inter$ret
t%e data "olle"ted)
o data+ a "on"lusion is dra-n to a""e$t or
re8e"t t%e %#$ot%esis)
7RITING 2 REPORT
2 re$ort o a s"ienti3" in&esti(ation s%ould "ontain t%e ollo-in( items 4
Pur$ose 9 a statement about t%e $roblem
H#$ot%esis 9 a su((ested ans-er to t%e $roblem
1ariables 9 mani$ulated &ariable+ res$ondin( &ariable and "onstant &ariable)
Materials and a$$aratus used
Pro"edure 9 Ste$s used in t%e in&esti(ation
Data "olle"tion 9 Obser&ations or measurements o t%e e*$eriment)
2nal#sis and inter$retation o data)
5on"lusion 9 a statement t%at a""e$ts or re8e"ts t%e %#$ot%esis)
  S"ienti3" in&esti(ations are im$ortant
be"ause t%e# en"oura(e us to 4
  :; t%in. s"ienti3"all#
re"ei&e
P!ACTISE SCIENTIFIC
Page 14
  T%e s"ienti3" attitudes and noble &alues are as ollo- 4
• Ha&in( an interest and "uriosit# to-ards t%e en&ironment)
• Bein( %onest and a""urate in re"ordin( and
  &alidatin( data)
• Bein( res$onsible about t%e saet# o onesel+
  ot%ers+ and t%e en&ironment)
• Realisin( t%at s"ien"e is a means to understand
  li&in()
• Bein( res$e"tul and -ell?mannered)
• 2$$re"iatin( t%e "ontribution o s"ien"e and
  te"%nolo(#)
• Ha&in( "riti"al and anal#ti"al t%in.in()
• Bein( @e*ible and o$en?minded)
• Bein( .ind?%earted and "arin()
• Bein( ob8e"ti&e)
• Bein( s#stemati")
• Bein( "oo$erati&e)