by
Dr. Falcon: Hults, AC::vi0or
·J'-1ne •1.,
1971
I recomrllend :'his t~le",:1.s (f!:;"oject) for acc8:,tance h~r tbe
honors Prozrarn of 3aJ.} State Dnivn,:"sity for sradu;:J.tion
i.;i th t-lonors.
Ee8a, D(lp;,n'hnent of
3?~_1
,,7'U .. ..(..
1 1'i7(
:Date
---------------,-------_.----
st,:J.t,e
Pl~'sics
tTniversit~r
• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • ••
Ftesults of ;:;tndents
'
Sap),p~.C,
5tu.dents I
~:~esul ts
of Instrt1.8tors 1
Samr,le, Instructors'
~
..1
.......................... 3
............................
1-::valnations .......................
....................... 9
o
{--'
Cone 1.'l..ls ions ......................................................... 1C
_~l)penf~l ix
................................................................................. 1.1
The Scientific E8thcx:1
........................................
15
Vclocit:r ;md Uniform Acceler8.tion
~:;;quilibriurrl
.........................................
lS'
................................................
22
of' Forces
:3irlpl e :':achi nes
12
3pecific}ravi t:;,- ,
A.rchin:edes' Fri."1cirle
';'3::-1si ty,
...........................................
..............
33
.................................
Currents :mel CirCl.lits ................
39
~:,:1Velen2:ths
~illd
'1elocl ty of Sotmcl
The Convex Lens
Electric
st1Jde:1ts.
Not only "\Vas the Hordj ne; too tecimlc:'ll , hut often the
procedl1res
,,1e1'-3 n~)t
clearly out.lined.
Also,
t?18
date? Rheets :"ro-
vided witMn the experiment,s did not contain places for the Sut;[;esteci data to be iIT'itten.
Because 0:2 tbese l,erson;ll observatiom3 .qnd the comnents of my
stn,oent,s, I decid8d to assumE!
8.S
wr:Lt: ne jz.he 18horatory hand01:!ts.
an Honors Project t!i0 task of reI h2,d feUl" main zoal s in mind
when eomposin{'; anri revj sing these forrns:
to use language that is undersh,ndable ;md 1Jcable
for eler:1entar-.:r teMchers;
')
'-
)
to outlire the ::>rccedure to be folJO'Jlecl
ill d<::tajJ ;
steD-by-8~
;:10(1
J)
to provide alt",n'mlte w~rs of doirS sim:U,gr experiments
using 1 'A::'ffiS<inc1 er-:pJirrn<.mt fonno. in'3n;:t elenentar: r C13.58l' o or''! or t,t:'8 COr.lI::on hO~lseho1d i
and, final'] y, to stress tbe major conce~>ts cein:::; iJ 1115cr discoverer) ir:. the ex~'erlnl€nt.
h)
tr3tt~1
them h,
.8.
rnanner suitable to fubrr-e instr1J.ctors.
Unforb,m2.te~,
I Has engaced in student te"lchi:r.g ch.rr-illG tl:e "trial. quarter" aml
so was l.1nable to test the
VqJ.ll"~
of' tr:c forms first-hand.
2
.-
Jurir:g the
S~~rins
quartpr of the 1970-71 school year, t,he
Physi::s "Gepartment. utiJi7,ed tbe fo1"rrn I !:8.d
the f')1"1'18 lJpOn
en~~eriY13
:;;'e~''?r:'r1
foY'
t.;l(~i1"
the labor8tor:v.
,\t ti,e end of' t.he quart.er, evaluaU.on fo:c-ms were Given to
both instructors rlJ)d shdents.
vc:rb81 inter r ret2t;ion of
~he a::-':~Gn(lix
tl~t:',
.qt U:e 8nd
The results of f)'ose evaluations
r:1at8 ar'3 :~r.cJuded.
0:
V'!e
r2:'~?r
inc111c1es ce'Y"ies of the
nine fc1"ms T"hieh I cOf':l'osed in t:he order in
l>lt~ich
tl'e;;- Here 113ed.
J
RE3TCLTS OF .':'TtDBl:'l'S I -SV\I)JATIOE3
~
blank copy of tl-e
p~e
lotlin3
Science 290
SbOwll
8valuationc:;h~et
included on the fo1-
was e;:'Lven to '111 sbldents \"ho had t.s.;-<:sn Ph;;lsica.l
d1.Jrin~=
SrTin:.:; 'luart'3r, lS70-71.
T:'18 composite data
on this sh8(:;t ma;:," be interpreted -'12 folloHs:
a)
the numb8r in t~e upper left-h-'1nd corner of each square
represents the tot"!l DUJilber of students who cave the
respecti va exr.erirnents that ranklll,::;;
b)
the m.LT;jb'~r in tl1e lower ri:;ht-hand corner of each square
represents the.:;ercentage of students w:-l0 G:lve tr;e resI"2cti va ,:;xIleriment3 tbat ranking;
c)
the numlx:rr at the fax right of each rOH represents tte
total nurber of st1xlents wno r{u-,ke~d th8t l)3.rticular
eXt'0rime,t (I:ote: some st'udents did not l'3'11( all nine
experiments.);
d)
the sane lnter~-:Tetation as described in b and ,~ above
a)~')lic'd to the hro nlm~bC)rs ::;i ven in 7.he question
section at the bottom of t-"",G sheet, these nurnbers
reprAsenting the negative res~)C'flE'es to thG (!u,?stiol1.s.
Play be
rankine the respeetive 1aboratories in either
"Good" ranges were as
6.
7.
2\.
Con'.'"cx
J.
I~.
5.
livery [';000" er
foll0~"s:
Scientific ~-:ethod
Velocity and Uniform Acceleration
Equilihr i urn of Forces
SirnpJe I/acbines
Heat and :11JJTd.dit:'
f\rchimed,:ls I Principle
'tiave~engths ::mcl Velocit:l of ~:'ounc1
1.
2.
t~e
L2!!S
9. Slectric Currents and Circuits
Although no ::>recif-Lc d.;ta of this
t~'T'e i~3
aV'liJable 011 i:rGpre-
viomly-u30d lab forms, it. appe3.rs to this autror that these
yielded. for them.
4
70
o
2
1.6
36
21
28.1
1 (.
L
25
(.
< ,I . '
65
50.7
1
25
cp
:J~
o
,
22.8 46 iI-loP 35
6.5
-....... P~1
rJ
I
33
29
35.1
20
'"
0.8
?
.~
2.5
22.0
22.8
25.0
7
(',
1
44.0
"16
4
.51.2
1.j--3.2
25
1
0.8
8
7
6.3
5 •.5
2
0.8
1.6
p,
17
22.7
1
1-'
J . ..,) e 1
__
6.2
125
110
125
113
127
128
5
line~;
incl icated t"lree
1)
.
111.3. -ior --)Oi.DtS:
~
tbe) c13T1 ty depended to a. large eytent "l:,on trIo 3~-:nl
of tbe 1.:O'.bor"ttory i:'!strnctor to present a complete.
l1nderEt.8'idable introduction to the expsrj rrent;
oft·en th8 labs t-lf~rG increased in dj fficnlty because
the:: did not. coordinate livlth t.he regular cla.5s lectures.
The sec01"'.cd I'0int, U\."1+: of -Lhr: tschnicality of'
t!1'~
vocabulary,
as
its mm set
~,'01.11d
f!ave prefer",ed to
and
the;;,' 1"onId tnost ]. '.kely not. rEcad t'nem
Perha)s if
the~'
an~rvay,
v;rere we lnced in 2 bOlJI,cl
or 1t:oulc1 ::03e t;'ern.
~jci(l'.l.al,
p'1.rt of tr l.3
....,
(
or trl;:,J.t
~
hib1io[r;;pby of possibJ -:
be included with e;;ch l8horatory.
sourc~~
of sird.lar E:x':eriments
The :i.nstructors I
e'"~lu'ltions
did not. nrove to be
..."
T)articul~rlv
...
c,..
::text ra[;e) Here criei' and 0eneral and didn1t provirlA l1mc'n insi~~lt
Ll1tO the .:;ffpctiwme::ls of t,.,<> project.
T'rlose ,.;ho had tauGht the l::lbs Hsine; the old forms fQ1Jl1d tr:'2
2.16\.;
forrr,s to be sornei-That e3.sier for t.he st.udents t.o re<ld al'rj lJJlcler-
students took the time to read the for-os an;yVlay.
They also
j.n-
dicated t.nat the major improvcrn:-'Ylts Here in the data sbeets.
ThOSE' "\-Tho had not
-::'?ue:~t.
t l18 J,s,hs hefore formd them to be "ver:r
gooel" 5..n "'lost C:lses ""nd st8ted that VieJ" "ere easy tc 11se in l're-
the
;:;tudents--esrecia11~r
l~arei'1.1J.1JT--wore
tnose \<iho toc']': tb':'J to rear) tbE'
able to fol1ol:J the
i'0}":'~S
adequately.
Suggested ir-,provements for the labs which T,mre offF)red by
tho jnstrnctors "ere:
1)
to change SOPle of the values of masses and distances i.n
the experiments to I)roQUce bettor res1 11ts;
2)
to elil'1irlc3.te seme of the l'1athem.?tics in tile intrc.x:luctir;n
tc' trle ].a1)ora:t.cr:Y1" on simple Tr:lchir18s;
ano to l'rovide rrare explic:i.t j.nfOrll,8.tion a:.:: to -,Thy
e'.:;rt,,;}n tl'=.il=S aro done 'in the l.::;b.
-
,."' r
.~.
-'~
,.
.
~,
;
1G
On the "lhole, I Has v,,-,j'Y pleased ;ri th th.: r::.'suJt.s of tl"lis
and interesting
COlTse
for
elerl1(~nt'-"r:.T
The students 1
fI1a<jors.
evaluations exceeded m;y hichest hopes in their 8TI)rcval of t:-:e
form:>, :md their cr:i_ticisrlls and sUGcestions
,l8r_~
:r.ost constructive.
Hm-rever, tht: most beneficial resu} t of
th~_",
::;roject
rived sjmply fron the
(~xperience
teacher, I believe that trc
1.,:::;3
de-
of "r.ritinS it.
()p?orhmit~r
to compose <md
util:i_~e
labora-::.ories vms 0)ctremely valuable in helping to plan my m:n
teachine method, especially insofar as the la'oo1'at.o1"Y si tllat:ton
is concerned.
~:>Jen
thou;::): I rrobably Hill not 'lSe rrecisely U!ese
fom.:3 At tte secc'ndC1ry 1evel, the
b,qs~_c
m~eds
concepts and
of
laboratory forrns are nOv7 :'irr::ly implanted in rr:y mind.
Sducation is my major concern for the future.
own i3choolinr.;
11'3.8
been "]ril'19Tily in
f'h~rsics,
my conscience
fcrcns me to turn the bulk of my attention to
aspeets of it--not t.h8 purely theoretS_cal.
fered me
I
aIG
."1
Although my
t.=-lE)
T:-~:.s
hL1P18n-prR.cticR.l
:,r'oject has of-
most E'xcelJent o[:portunity to apQ]Y my phj losophy, and
thankful to h;:lve had a useful, construct.ive ch8nce to
plernent it.
m-
AFfEE!::IX
12
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01' ~-:r.{Jc:ifi;~_~ .s~,:"rt.l='i '':') GS
(,f T,l\·:::
by
,~:;.cI1iLldf~.~l
II" "
;..'.
• ~eL..;h tIle cork .:1:)(1 record the value"
"t'~3.ch c.:. 8j nl·:er ':,0 the cOl'k and e,usp::rrl both bolO',! t,h;;
bnl~mcEJ~,
C"
:;0
Eo
G:"4..:h ag::d.n,lith tho cork in -~!lO a:.r ;]l'yl tho
sinker [;ub: '21~cd "
'e: .(;h D.f~a:·Lr Hith t1.iEJ corl< and s5..nker bothsubmcrCc~J to
Fin(l tho (Jifforen~8 lBt";.·lecn 1.) ar1() CEt TIds i!:, D~~:nit1 t;;le
buo:rant for (!G ~, henco tiO rnve tbo voln:,.o vf tho co!"k c
Ca'~(ml<lt8 the donsity c:' thu cork usinE.: the volumo fr'ooi
r. )iE·t I' 3rri U10 t1El3!:; from P·3l"t. f"
1
The most c01Wor;..i...:nt n:etilcd for ciete!'mininc the sroci!'ic ;:ravity
of .:1 liquid is to u~e a l~oC1Gt.,erf, t-lhich also makeo ,De of /\rchi.P1edos ';
l'l'tncip:.e" Your :.Ln~,tr':lclo!" vlliISholi you hO~i to road tho iwdrorr.13-.:.or
for the liq;lid provided
0
To :i.llu~;t.ra "C: tho ccnc9Jl of uensi ty ~ take tMO object., tha.t arc
exactly tho ric1J;O size: an: look c):E.ctly the sar,:",) on the exterior (like bro
hollo;; cllt'ElS or plastic b:l.lls)~ Leavo on uroptyo but. fill the otoor \1ith
SOl~tbj.t"~. ho[,\,:,{ like sarr. .L..
ron It :.;;i'/G your ntudents any i::.d5.cntion that
thoro i~; any1:.h.in;.. dHferent bot,·;eGrl the t!,;O objocts" 'lhen h.9VC <:l ~tudont
hold out Lis hane's
1>-:).111oS ur
Drop the li~:ht ono in his :·:and:::. first '"'
th(~n the hea'\ly OCG ..., ;)1'£.1 tintch his l'oHction c
0
Lob -xm',!iS'3 ::0 ... j
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1.. ~.L .....; .A..l. ......
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CYLI -:;'}-::1
t:. "
Hei;;ht ai' {:ylilldeJ' 9
13 c
1.Jci~ht
t·:
of !iub:lX3'r COL cylinder
llifferenco of -",
am Bo
V
-=
Radius of
r
lki:;ht of cyli "dol:"., h
Density:;;;
.v'.
Woight of
cork~
_,:;.m;Ji-
H
V
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,~lindero
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• _ _ .-....v. _ _ " ....
.-----.----.-.em
1
._.,_~~_.g:ml em
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. . . . cow'
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c,
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sinker submeIGoo
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