Upload
others
View
7
Download
0
Embed Size (px)
Citation preview
Clickerques,onsfordiscussioninCIRTL
1. Usingimages2. Conceptualexamplesbasedon
studentdifficul,es3. Surveys
4. Reasoningbehindtheansweriswhatwe’relookingfor
Group1
Whatisacommonorunifyingthemeinthissetofques,ons?(YoumaylistmorethanonebutIhavejustoneinmind)
3
YoulooktotheeasternhorizonastheMoonisrisinganddiscoverthatitisinthenewmoonphase.LaterthatsamedaywhenthemoonisseRng,whichofthemoonphasesshownbelowwouldtheMoonhavelookedlike?
CenterforAstronomyEduca,on,EdPrather
4
The pie graph shows the energy of the Skater, where could she be on the track?
Consider…1. Mechanics2. Depth3. Goals
A
B
CD
E PE
KE
KathyPerkins,CUBoulder
5BillGerace,UMassAmherst
Thediagramsbelowshowtwouniformlychargedspheres.Thechargeontherightsphereis3,mesaslargeasthechargeonthele[sphere.Whichforcediagrambestrepresentsthemagnitudesanddirec,onsoftheelectricforcesonthetwospheres?
A. D.
B. E.
C.
Group2
Whatisacommonorunifyingthemeinthissetofques,ons?(YoumaylistmorethanonebutIhavejustoneinmind)
Showstudentsademonstra/onthatalightbulbwilllightwhenacurrentisrunthroughaweakacidsolu/on.Iftheacidsolu,onisincreasedto100%strength,whatwillhappentothebrightnessofthelightbulb?
A. BrighterB. DimmerC. CompletelydarkD. Don’tknow
Originunknown 7
8
Asmallacornover,mecangrowintoahugeoaktree.Thetreecanweighmanytons.Wheredoesmostofthemasscomefromasthetreegrows?
A) MineralsinthesoilB) Organicma`erinthesoilC) GasesintheairD) Sunlight
APrivateUniverse;AnnenbergMedia
9
You’re on a cart, initially at rest, throwing balls at a partition that is rigidly mounted on the front of the cart. If the balls bounce straight back, as in the figure, then is the cart put in motion?
A. Yes, left B. Yes, right C. No D. Don’t know
EricMazur,“PeerInstruc,on”
Group3
Whatisacommonorunifyingthemeinthissetofques,ons?(YoumaylistmorethanonebutIhavejustoneinmind)
11
Ifyouwerewalkingdownaroadandpassedapieceoftrash,wouldyoupickitup?
A. YesB. NoC. Itdepends
vaguelyrecollectedfromaques,ondescribedbyKateDollard,NorthamptonHS
Whichofthefollowingareyouleastcomfortableusingtosolveproblems?
A. Kinema,csB. Newton’sLawsC. Work‐EnergyTheorem
D. Momentum‐ImpulseTheorem
E. AngularMomentum‐AngularImpulseTheorem
12IanBea`y,UMassAmherst
Oneofyouwillberandomlyselectedtobeawinner!Pickone:
A. Youcanreceive$1.00(cash)rightnowB. Youcanreceive$1.05(cash)duringthenext
mee,ngofthisclass
13FromDrJamesIIIath`p://www.youtube.com/watch?v=CnnP0uCqD4k
Results:66%ofclasstook$1now(but33%if$1onnexttolastdayofclass
insteadoflastdayofclass)
Group4
Whatisacommonorunifyingthemeinthissetofques,ons?(YoumaylistmorethanonebutIhavejustoneinmind)
Thisoneisabittrickier.Hint:Whatdotheanswerchoiceshaveincommon?Whatdotheyrequirestudentstodo?
15KateDollard,NorthamptonHS(basedonaques,onbyChevySeneyofFron,erRegionalSchool)
Ifyoucouldhaveonlyonesystemle[,whichwoulditbe?
1. Circulatory2. Nervous3. Endocrine4. Immune5. Diges,ve6. Respiratory7. Excretory8. Muscle/Skeletal
16CathyWanat,NorthamptonHighSchool
Pickthetwogroupsthatwouldhavethebiggesteffectonwaterqualityina
watershed.
CathyWanat,NorthamptonHighSchool
Inthisfoodchain,wouldyouexpecttohavemoreowlsormorefrogsandwhy?