8/17/2019 Science Prac Skills for Draft CGB
1/86
© University of Cambridge International Examinations 2012
Dave Hayward
Cambridge Trainer
28t ! "0t #ebr$ary 201"
Tea%ing andassessing s%ien%e
&ra%ti%al s'ills
8/17/2019 Science Prac Skills for Draft CGB
2/86
Welcome and Introduction
8/17/2019 Science Prac Skills for Draft CGB
3/86
Who am I? Dave Hayward
• 32 years experience of teaching Biology retired H!D
• "rincipal #xaminer for I$% Biology
• 'uthor of I$% &tudy $uide for Biology (eaching
and 'ssessing "ractical &)ills in &cience
• #ditor of I$% Biology *D+$+,ac)ean-
• !verseas training in .ami/ia &wa0iland &outh
'frica 'merica 1 lectures in ondon and Berlin
8/17/2019 Science Prac Skills for Draft CGB
4/86
(atesead )*ort east England+
8/17/2019 Science Prac Skills for Draft CGB
5/86
8/17/2019 Science Prac Skills for Draft CGB
6/86
Co$rse ob,e%tives
• to increase understanding of the assessment
o/ectives relating to practical s)ills in%am/ridge I$% and ! level examinations
• to explore ways of helping students to improve
their practical s)ills• to consider potential pro/lems associated with
doing practical wor) in schools and to find
solutions to these
8/17/2019 Science Prac Skills for Draft CGB
7/86
Co$rse ob,e%tives
• to loo) at the standards of practical s)ills
re4uired for particular grades• to consider the pros and cons of the various
options for the final assessment of practical
s)ills• to share good practice and exchange ideas
8/17/2019 Science Prac Skills for Draft CGB
8/86
Co$rse o$tline
&ession 5 6+77857+37
• (he scientific en4uiry assessment o/ectives
• (he various assessment options for practical
s)ills
• (he %5
8/17/2019 Science Prac Skills for Draft CGB
9/86
Co$rse o$tline
&ession 2 55+77852+37
• $ood practice in the %2 s)ills
• &tandards in %2 8 assess candidates9 wor)
• Importance of feed/ac) 8 using 'f to help to
develop practical s)ills
8/17/2019 Science Prac Skills for Draft CGB
10/86
Co$rse o$tline
&ession 3 53+3785:+77
• "ractical session 5; hands
8/17/2019 Science Prac Skills for Draft CGB
11/86
Co$rse o$tline
&ession = 5:+3785>+77
• Discussion of issues arising from &ession 3;
logistics la/oratory design availa/ility of
apparatus and materials ris) assessmentsgroup and individual wor) the teacher9s role
• esources
8/17/2019 Science Prac Skills for Draft CGB
12/86
8/17/2019 Science Prac Skills for Draft CGB
13/86
Co$rse o$tline
&ession @ 55+77852+37
• "ractical session 2; hands
8/17/2019 Science Prac Skills for Draft CGB
14/86
Co$rse o$tline
&ession > 53+3785:+77
• Discussion of issues arising from the
practical session
• 'ssessment of wor) for %=
• Differentiation
• esson plans
8/17/2019 Science Prac Skills for Draft CGB
15/86
Co$rse o$tline
&ession A 5:+3785>+77
• eed/ac) from groups on wor) done in
&ession >
• "lenary
• Ceeping in touch
8/17/2019 Science Prac Skills for Draft CGB
16/86
-ession 1
• (he scientific en4uiry s)ills 8 what they are
and how they are assessed
• ' first loo) at the &)ills of %5
8/17/2019 Science Prac Skills for Draft CGB
17/86
-%ientifi% en.$iry assessment
ob,e%tives )see ando$t 2+
• %5 )now how to use techni4ues apparatus and materials*including the following of a se4uence of instructions where
appropriate-
• %2 ma)e and record o/servations and measurements
• %3 interpret and evaluate experimental o/servations anddata
• %= plan investigations evaluate methods and suggest
possi/le improvements *including the selection of
techni4ues apparatus and materials-
8/17/2019 Science Prac Skills for Draft CGB
18/86
/&tions for assessment ! I(C-E
"aper = (eacher assessment of coursewor)
(he teacher assesses the students throughout
their course+
' sample of the coursewor) is sent to
%am/ridge to /e chec)ed /y external
moderators+
8/17/2019 Science Prac Skills for Draft CGB
19/86
/&tions for assessment ! I(C-E
"aper : "ractical examination
(he assessment is made through a practical
examination ta)en in a la/oratory+
(he students write answers on the
examination paper which is returned to
%am/ridge to /e mar)ed /y examiners+
8/17/2019 Science Prac Skills for Draft CGB
20/86
/&tions for assessment ! I(C-E
"aper @ 'lternative to practical paper
(he assessment is made through a written
paper ta)en in a normal examination room+
&tudents write answers on the examination
paper which is returned to %am/ridge to /e
mar)ed /y examiners+
8/17/2019 Science Prac Skills for Draft CGB
21/86
Identifying te s'ills
"lease find;
"aper 7@:=:5 ,ayEune 2752
"aper 7@:=@5 ,ayEune 2752
Which s)ills are /eing tested in each part 4uestion?
8/17/2019 Science Prac Skills for Draft CGB
22/86
at is meant by familiar a&&arat$s3
*&ee handouts 3 and =-
8/17/2019 Science Prac Skills for Draft CGB
23/86
ays of introd$%ing e.$i&ment to yo$r
st$dents
*see handouts : and @-
*note; there is no list in the "hysics sylla/us-
8/17/2019 Science Prac Skills for Draft CGB
24/86
ays of giving st$dents instr$%tions for
&ra%ti%als
*see handout >-
8/17/2019 Science Prac Skills for Draft CGB
25/86
Introd$%e safety at an early stage4
*see handout A
8 2 documents-
8/17/2019 Science Prac Skills for Draft CGB
26/86
5ssessment ob,e%tive C1
)now how to use techni4ues apparatus andmaterials *including the following of a
se4uence of instructions where appropriate-
8/17/2019 Science Prac Skills for Draft CGB
27/86
5ssessment ob,e%tive C1
(he coursewor) *"aper =- criteria provide moreinformation a/out what is re4uired for %5+
It is useful to consider these even if you are not
entering students for "aper =+
8/17/2019 Science Prac Skills for Draft CGB
28/86
Criteria for C1
8/17/2019 Science Prac Skills for Draft CGB
29/86
5ssessment ob,e%tive C1
"lease find pages 2: 2@ and 2A in the /oo)let
called Coursework Training Handbook(Part 1):Guidance
or the wor)sheet in your own su/ect areaconsider how well this activity would help
students to develop the %5 s)ills+
8/17/2019 Science Prac Skills for Draft CGB
30/86
-ession 2
• $ood practice in %2
• &tandards feed/ac) and progression in %2
8/17/2019 Science Prac Skills for Draft CGB
31/86
5ssessment ob,e%tive C2
ma)e and record o/servations andmeasurements
8/17/2019 Science Prac Skills for Draft CGB
32/86
Criteria for C2
8/17/2019 Science Prac Skills for Draft CGB
33/86
5ssessment ob,e%tive C2
"lease find pages 37 32 and 3= in the
Coursework Training Handbook
(Part 1):Guidance /oo)let
or the wor)sheet in your own su/ect area
consider how well this activity would help
students to develop the %2 s)ills+
8/17/2019 Science Prac Skills for Draft CGB
34/86
Drawings
• in pencil
• single clear lines• no shading
• la/el lines drawn with a ruler
• la/el lines touch what is /eing la/elled
• la/els written hori0ontally
• la/el lines do not cross
8/17/2019 Science Prac Skills for Draft CGB
35/86
6lease find7
"age 52 in the Coursework Training Handbook(Part 1): Guidance /oo)let
8/17/2019 Science Prac Skills for Draft CGB
36/86
es$lts %arts
• drawn with a ruler
• headings include units *no units within theta/le-
• all readings to the same num/er of decimal
places• descriptive entries *e+g+ of colours or other
o/servations- should /e worded simply
8/17/2019 Science Prac Skills for Draft CGB
37/86
6lease find7
"age 55 of the Coursework Training Handbook(Part 1): Guidance /oo)let
8/17/2019 Science Prac Skills for Draft CGB
38/86
-aring learning ob,e%tives and $sing
s$%%ess %riteria
• (he importance of sharing learning o/ectivesand using success criteria
*see handout 6-
• What is Fassessment for learning9?
• Gsing self
8/17/2019 Science Prac Skills for Draft CGB
39/86
6lease find7
• "aper 7@:=:5;
pages 2 3 = 52 and 53
• "aper 7@:=@5;
pages 2 3 @ 5: 5@
Which 4uestions test %2?
8/17/2019 Science Prac Skills for Draft CGB
40/86
5ssessing st$dents wor' for C2
• "lease find pages @@ and @A in the Coursework
Training Handbook (Part 1): Guidance /oo)let
%omment on the student9s results chart+
ead the F4ualitative o/servations9 on page @6 and
comment on these+
8/17/2019 Science Prac Skills for Draft CGB
41/86
5ssessing st$dents wor' for C2
• "lease find pages >: A2 and A: in the
Coursework Training Handbook (Part 1):Guidance /oo)let
%omment on the students9 results charts+
8/17/2019 Science Prac Skills for Draft CGB
42/86
5ssessing st$dents wor' for C2
• "lease find pages 67 and 62 in the
Coursework Training Handbook (Part 1):Guidance /oo)let
%omment on the student9s results chart+
8/17/2019 Science Prac Skills for Draft CGB
43/86
-ession "
6ra%ti%al session 1
Developing and assessing %5 and %2
8/17/2019 Science Prac Skills for Draft CGB
44/86
6ra%ti%al session 1
"lease find the handouts for;
• #xperiments 5 and 2 *chemistry-
or
• #xperiments 3 and = *physics-
or
• #xperiments : and @ */iology-
8/17/2019 Science Prac Skills for Draft CGB
45/86
-ession 9
Doing &ra%ti%al wor' ! wy so$ld we and
ow %an we3
8/17/2019 Science Prac Skills for Draft CGB
46/86
Fou dont understand anything until you learn it
more than one way9+ < ,arvin ,ins)y
8/17/2019 Science Prac Skills for Draft CGB
47/86
Fou can teach a student a lesson for a dayJ /ut
if you can teach him to learn /y creatingcuriosity he will continue the learning process
as long as he lives9+ < %lay "+ Bedford
8/17/2019 Science Prac Skills for Draft CGB
48/86
F$ive me a fruitful error any time full of seeds
/ursting with its own corrections+ ou can )eepyour sterile truth for yourself9+ < Kilfredo "areto
8/17/2019 Science Prac Skills for Draft CGB
49/86
FI hear and I forgetJ
I see and I remem/erJI do and I understand9+
%hinese prover/
8/17/2019 Science Prac Skills for Draft CGB
50/86
8/17/2019 Science Prac Skills for Draft CGB
51/86
Different st$dents ave different&referred learning styles7
• Kisual learners• 'uditory learners
• Cinaesthetic learners
8/17/2019 Science Prac Skills for Draft CGB
52/86
%I# esourcesesources on the %I# we/site include• the current sylla/us
• past 4uestion papers mar) schemes and#xaminer reports
• schemes of wor)• lists of endorsed and recommended
resources for Biology• email discussion list for teachers of Biology• dedicated students we/site• core documents
..\CIE website. tx
http://../CIE%20website.pptxhttp://../CIE%20website.pptx
8/17/2019 Science Prac Skills for Draft CGB
53/86
esources from (eacher &upport &ite
8/17/2019 Science Prac Skills for Draft CGB
54/86
eso$r%es for I(C-E :iology
• ++LI$%MBI!!$M7@57M!pportunitiesMforM
acticalM'ctivities *=-+pdf • ++Lmiami 2752Lresources for ,iamiL,iami Bio
logy resourcesLheart model
http://../IGCSE_BIOLOGY_0610_Opportunities_for_Practical_Activities%20(4).pdfhttp://../IGCSE_BIOLOGY_0610_Opportunities_for_Practical_Activities%20(4).pdfhttp://../miami%202012/resources%20for%20Miami/Miami%20Biology%20resources/heart%20modelhttp://../miami%202012/resources%20for%20Miami/Miami%20Biology%20resources/heart%20modelhttp://../miami%202012/resources%20for%20Miami/Miami%20Biology%20resources/heart%20modelhttp://../miami%202012/resources%20for%20Miami/Miami%20Biology%20resources/heart%20modelhttp://../IGCSE_BIOLOGY_0610_Opportunities_for_Practical_Activities%20(4).pdfhttp://../IGCSE_BIOLOGY_0610_Opportunities_for_Practical_Activities%20(4).pdf
8/17/2019 Science Prac Skills for Draft CGB
55/86
55
8/17/2019 Science Prac Skills for Draft CGB
56/86
56
8/17/2019 Science Prac Skills for Draft CGB
57/86
57
8/17/2019 Science Prac Skills for Draft CGB
58/86
Gp
8/17/2019 Science Prac Skills for Draft CGB
59/86
-ession ;
-'ills C" and C9
• $ood practice in %3 and %=
• Developing and assessing %3
8/17/2019 Science Prac Skills for Draft CGB
60/86
6ra%ti%al s'ill C"Handling experimental o/servations and data e+g+
•drawing graphs
•processing results
•recognising anomalous results and dealing with
them
•drawing conclusions
•recognising sources of experimental error
8/17/2019 Science Prac Skills for Draft CGB
61/86
Criteria for C"
8/17/2019 Science Prac Skills for Draft CGB
62/86
-'ill C" ! (ra&s
• axes drawn with a ruler
• independent varia/le on the x
8/17/2019 Science Prac Skills for Draft CGB
63/86
-'ill C" ! (ra&s
If a line graph;
• points plotted as x or a circle with a dot insideit
• lines drawn with a pencil
• line either ruled from point to point
• or a /est fit line
8/17/2019 Science Prac Skills for Draft CGB
64/86
6lease find7
"ages 5@ 8 56 in the Coursework TrainingHandbook (Part 1): Guidance /oo)let
8/17/2019 Science Prac Skills for Draft CGB
65/86
6lease find7
7@:=:5 Nuestion 2*/-*i-
7@:=@5 Nuestion 2*/-*i-
'ssess the 4uality of the graphs in the scripts
8/17/2019 Science Prac Skills for Draft CGB
66/86
-'ill C" ! %on%l$sions
• %3 also involves drawing conclusions from a
set of results• (he conclusion should relate clearly to the aim
of the experiment or the hypothesis that was
/eing investigated
• (he conclusion should /e /ased only on the
results o/tained
&ee %oursewor) guidance /oo)let page 27
8/17/2019 Science Prac Skills for Draft CGB
67/86
-'ill C" ! anomalo$s res$lts
• 'n anomalous result is one that does not fit
the pattern shown /y other results+• If time allows the relevant part of the
experiment should /e repeated to chec) this
result+• !therwise the anomalous result should /e
excluded from further processing+
8/17/2019 Science Prac Skills for Draft CGB
68/86
-'ill C" ! so$r%es of error
• &potting sources of experimental error is a
high level s)ill+
• #xperimental errors should not /e confused
with human mista)es+&ee coursewor) guidance /oo) page 27
&ee Handout 5>
8/17/2019 Science Prac Skills for Draft CGB
69/86
6lease find7
Coursework Training Handbook (Part 1):
Guidance /oo)let pages @@8>@ *Biology- or>>8A2 *%hemistry-
Identify the parts of the students9 wor) that are
part of %3+ %omment on this wor)+
What guidance could /e given to the students
to help them improve?
8/17/2019 Science Prac Skills for Draft CGB
70/86
6ra%ti%al -'ill C9
"lanning and evaluating investigations
8/17/2019 Science Prac Skills for Draft CGB
71/86
Criteria for C9
8/17/2019 Science Prac Skills for Draft CGB
72/86
-'ill C9 ! &lanning
• (he type of experiment that involves all of the
%= s)ills is one in which students investigatethe effect of one varia/le on another+
• (he varia/le they change is the independentvaria/le+ (he varia/le they measure is the
dependent varia/le+
8/17/2019 Science Prac Skills for Draft CGB
73/86
-'ill C9 ! &lanning
• &tudents should /e a/le to identify other
varia/les that might affect their results anddetermine how they can try to )eep these
constant
8/17/2019 Science Prac Skills for Draft CGB
74/86
6lease find7
Handout 5A 8 "lanning help sheet
8/17/2019 Science Prac Skills for Draft CGB
75/86
8/17/2019 Science Prac Skills for Draft CGB
76/86
-ession <
6ra%ti%al -ession 2
• &)ills %3 and %=
8/17/2019 Science Prac Skills for Draft CGB
77/86
6lease find7
Handout 27; #xperiment > *%hemistry-
or Handout 25; #xperiment #xperiment A *"hysics-
or
Handout 22; #xperiment #xperiment 6 *Biology-
8/17/2019 Science Prac Skills for Draft CGB
78/86
-ession =
Using &ra%ti%al wor' in tea%ing and
learning
8/17/2019 Science Prac Skills for Draft CGB
79/86
Differentiation
• &tudents wor)ing at different levels should
each /e given appropriate tas)s that allowthem to succeed /ut that stretch them and
help them to improve
• ou may li)e to use different versions ofwor)sheets or to provide extra Fhelp9 sheets
for those that need them
8/17/2019 Science Prac Skills for Draft CGB
80/86
Use of differentiation
"lease find;
Handouts 56' 56B
8/17/2019 Science Prac Skills for Draft CGB
81/86
Controlling variables
"lease find;
Handout 23 *four pages-
8/17/2019 Science Prac Skills for Draft CGB
82/86
Constr$%ting a s%eme of wor'
• ' scheme of wor) is a long
8/17/2019 Science Prac Skills for Draft CGB
83/86
6lanning a lesson involving &ra%ti%alwor'
• What are the advantages of planning alesson carefully?
• What should a lesson plan include?
8/17/2019 Science Prac Skills for Draft CGB
84/86
6lanning a lesson involving &ra%ti%alwor' 8 see handout 2= *lesson plan
template- and handout 2:
• In your group complete a lesson plan using
the template that focuses on the development
of a particular practical s)ill or s)ills
• (he lesson should also help students to
develop )nowledge or understanding of
sylla/us content
8/17/2019 Science Prac Skills for Draft CGB
85/86
-ession 8
6lenary
8/17/2019 Science Prac Skills for Draft CGB
86/86
at next3
• or more information a/out future coursesplease go to the training events calendar at
www+cie+org+u)
http://www.cie.org.uk/http://www.cie.org.uk/