clicker quesons for discussion in cirtl€¦ · clicker quesons for discussion in cirtl ... eric...

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?