ࡱ> HJG7 bjbjUU  7|7| ljjjjjjj~ $~ceeeeee$l pj"jj jjccksjjc )n~H c0-6"c~~jjjjOnly you can help Fred has been spending his summer boating on the great lakes. But hes not too bright (after all, the brains of worms are pretty small): Hes never learned how to swim and he never wears his life preserver. The worst has happened! His boat has capsized and hes stuck! Fortunately, his life preserver is in the boat, but unfortunately he does not know how to reach it without falling off and drowning.  Use the Scientific Method to: Problem: How can you and your partner save Fred using only 4 paper clips. You may not touch Fred, the boat, or the life preserver directly with your hands. Materials: Gummy Worm Gummy life preserver 1 Plastic Cup 4 Paper Clips Procedures: Work with your partner and "Save Fred". Follow the rules. Fred, the boat, the life preserver can be touched only with the paper clips. NO HANDS. Develop a data section that includes Diagrams of how you saved Fred A detailed protocol describing the diagrams. Homework: Analyze and conclude the experiment. This means that you must discuss (tell me what you think) about the difficulty of the task, what other strategies you and your partner worked on before you succeeded, and what you think the critical steps were for solving this problem. Although this is working backwards, and not how scientists normally work, please develop a hypothesis for this lab. (Remember that a hypothesis is an if-then statement: if I do this, then this will happen) Use the attached pages for your all your notes and turn in tomorrow. Teacher Notes: Fred sits on the inverted cup. The cup sits covering the life preserver on the tabletop. No real water is involved. if the group size is 3 or 4, each person gets only 1 paper clip. Have a camera ready. I don't know that there are any real answers - since it's more of a team-building problem solving initiative rather than a yes/no answer. However, what they need to figure out is, that if they work together, then one person maneuvers Fred (without hooking him) and the other uses the paper clips to stretch the gummy lifesaver for him to slip on. (The lifesaver will have a smaller i.d. than Fred's o.d. by a fairly obvious amount) Ask them typical debriefing-type questions: what worked, what didn't, did you plan, did you share ideas, did you just mangle poor Fred trying to make it work? etc. I had groups of 3 and made it more of a challenge by allowing only 1 paperclip per student - that took more thought and coordination to save Fred without drowning him (I had a couple decide that if he fell into the ocean, they would fish him out and perform mouth to mouth resuscitation - so I had to remind my guys - 7th and 8th graders - that eating anything, especially 'dead worms' was not allowed in the lab) dq  OJQJ^JB*CJOJQJ^JaJph 0JB*ph5OJQJ\aJ$ OJQJaJ%jOJQJUaJmHnHsHtH OJQJaJ$5OJQJaJ$56>*OJQJaJ$efq| & F &  P@1$7$8$H$ & 0` P@1$7$8$H$$ & 0` P@1$7$8$H$a$KpvOO&$ & F & 8 P@81$7$8$H$^8a$'$ & F (p 8 P@81$7$8$H$^8a$)$ & F +  P@1$7$8$H$^a$ & 0` P@1$7$8$H$ &  P@1$7$8$H$  x  zzqjjd d d h^h)$ & F +p 8 P@81$7$8$H$^8a$'$ & F (@  P@1$7$8$H$^a$&$ & F & 8 P@81$7$8$H$^8a$ h^hd / =!"#$% i4@4 NormalCJaJmH sH tH <A@< Default Paragraph Font|e@| HTML Preformatted7 2( Px 4 #\'*.25@9OJPJQJ^JFg@F HTML TypewriterCJOJPJQJ^JaJ  efq|Kpx 00000000000 0 0 0 000 0 0 0 0 0K 0K 0 0 0 000000000000   8@D( ˳@Ɔ @    zW333jJ?Save Fred!!ImpactB S  ? *t    Nancy Clark6C:\ScienceWeb\Biology\AddtoPage\lab___Save_Fred[1].doc Nancy Clark1C:\ScienceWeb\Biology\StudyofLife\SaveFredLab.doc Nancy Clark1C:\ScienceWeb\Biology\StudyofLife\SaveFredLab.docI:H:bԚ([]ejMh.h.h.h.h.h.^`OJQJo(hH^`OJQJo(hHopp^p`OJQJo(hH@ @ ^@ `OJQJo(hH^`OJQJo(hHo^`OJQJo(hH^`OJQJo(hH^`OJQJo(hHoPP^P`OJQJo(hHh^`OJQJo(hHh ^`o(hH.hpp^p`OJQJo(hHh@ @ ^@ `OJQJo(hHh^`OJQJo(hHoh^`OJQJo(hHh^`OJQJo(hHh^`OJQJo(hHohPP^P`OJQJo(hH ^`hH. ^`hH. pLp^p`LhH. @ @ ^@ `hH. ^`hH. 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