Elements and the Periodic Table Learning Centers
Elements and the Periodic Table Learning Centers *Station #3 – Radioactivity BrainPop ! ! Overview:! ! Materials:! ! ! ! ! ! ! ! ! ! ! ! ! In!this!station!you!will!use!the!BrainPop!website!to!learn!about!radioactivity.! Computer! ! ! Radioactivity!Q&A!WS! Radioactivity!BrainPop!WS! ! ! ! Procedures:! ! 1. Each!person!should!Login!to!their!own!computer!and!open!Safari!or!Firefox.! 2. Go!to!our!class!website! 3. Select!the!Ch!4!Learning!Center!–!Radioactivity!link! That!link!will!take!you!to! http://www.brainpop.com/science/energy/radioactivity/! 4. Click!login!at!the!top!of!the!webpage!and!then!login!to!the!website! !!!username:!!highland70! !!!password:!!hornets! 5. Put!on!your!headphones!and!play!the!video!and!complete!the!Radioactivity*BrainPop* WS.!The!video!can!be!paused,!reversed,!or!forwarded!as!needed.! 6. Select!“Take!the!Quiz’!and!then!select!“Graded!Quiz”.! 7. Complete!the!quiz!and!then!print!your!results!to!6!h!110!bw.! 8. For!each!incorrect!question,!write!a!1[2!sentence!explaining!the!correct!answer.! ! ! ! Evidence!of!Completion:! • Radioactivity!BrainPop!WS!(both!sides)! • Printout!of!Graded!Quiz! ! ! Station'#3'*'Radioactivity'BrainPop'WS'! !!!!!!!!!!!!!!Name:!__________________! Science!>!Energy!>!Radioactivity! ! ! ! ! Period:!_____!!Date:!______! ' Vocabulary' ! Define!the!following!terms!in!your!own!words:! ! 1. Radioactivity!@!_______________________________________________________________________________! ________________________________________________________________________________________________! 2. Radioactive!decay!@!__________________________________________________________________________! ________________________________________________________________________________________________! 3. Isotope!@!______________________________________________________________________________________! ________________________________________________________________________________________________! 4. Half@life!@!_____________________________________________________________________________________! ________________________________________________________________________________________________! 5. Alpha!particle!@!______________________________________________________________________________! ________________________________________________________________________________________________! 6. Beta!particle!@!________________________________________________________________________________! ________________________________________________________________________________________________! 7. Gama!radiation!@!_____________________________________________________________________________! ________________________________________________________________________________________________' ' ' ' TAKE'BRAIN'POP'QUIZ,'PRINT,'AND'CORRECT!' ' ' ' ' ' This'worksheet'continues'on'the'back.' Question'and'Answer' You!have!isolated!one!kilogram!of!pure!Mobium,!a!new!radioactive!substance.!!When! Mobium!decays,!it!becomes!ordinary!iron.! ! ! 1. What!is!half@life?! ! ! ! 2. In!order!to!determine!the!half@life!of!Mobium,!you!record!its!mass!every!hour.!!The! data!you!collected!is!in!the!chart!below.!!Use!the!chart!to!answer!parts!a!and!b.! a. What!is!half!of!120!kg?! ! ! ! b. How!long!did!it!take!for!the!mass!of!Mobium!to!get!to!your!answer!in!part!a?!! (This%will%be%Mobium’s%half1life.)! ! Mass of Time (hours) Mobium (kg) ! 0 120.0 ! 1 106.9 ! 2 95.2 ! 3 84.9 ! 4 75.6 ! 5 67.3 ! 6 60.0 ! 7 53.5 ! 8 47.6 3. How!much!pure!Mobium!would!you!expect!! 9 42.4 after!a!total!of!18!hours?! 10 37.8 ! 11 33.7 ! 12 30.0 ! 13 26.7 ! 14 23.8 ! ! ! 4. After!a!few!weeks,!you!weigh!the!Mobium.!!What!do!you!expect!to!find?!!Explain! your!answer.! ' ! ! ! ! TAKE'THE'BRAIN'POP'QUIZ,'PRINT,'AND'CORRECT'
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