Monthly Archives: April 2015

30 April Science 7 Batteries and Bulbs–current electricity

It’s that time of the year. Can you believe it? We have done so much this year. Congratulations for your interest, effort, and positive spirit. You have been a wonderful set of 7th graders! (how many do you think I have … Continue reading

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24 & 28 April Science 7 Magnetic force vs. distance and Static electricity

Try at least 2 of the 3 techniques to examine the relationship of distance to magnetic force. Measure at least 5 distances for each. Keep good records of your methods and results. Make two graphs showing the relationship. http://rfrazier.msblogs.aes.ac.in/2015/04/22/22-april-science-7-how-does-distance-affect-the-size-of-the-magnetic-force/ Static electricity … Continue reading

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23 April Science 8 Continuing research on human impact on the environment

Timeline April 23 Continue research–start outline–science & environment concepts, questions, issues, history-background April 27 Continue research and complete outline April 29 Continue research–finish research–start presentation May 5 Select, develop, plan, practice activity May 7 Activities ( 4 @ 15-20 minutes) … Continue reading

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22 April Science 7 How does distance affect the size of the magnetic force?

Read about Michael Faraday. He thought deeply about magnets. He thought that the iron filling patterns around a magnet followed “lines of force.” He conceived of these lines as something material. His idea evolved into a more contemporary concept the … Continue reading

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21 April Science 8 Human Impact on the earth–beginning the research

Students will Conduct research and annotate sources: Well-respected websites, journals, in the news (BBC, NYT, NPR, TOI—other sources with approval); Interviews and firsthand observations. Lead a class activity that is preferably interactive, inquiry-oriented, thought-provoking Create Presentation that is directed toward … Continue reading

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20 April Science 7 Magnetism continued and Energy Entries

Warm-up:  Take a moment to discuss with your partner and include your  and your partner’s ideas in today’s notebook entry—                                         … Continue reading

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16 April Science 7 Simple machines–assessing our knowledge and then introducing magnets and magnetism– a force leading to a source of energy

Assess with probes–partners 4 probes and then individual 2 probes. Also–offer in writing on lined paper (put photo in your digital science notebook) a possible explanation for the spinning toy. How do you think it might work? Use diagrams and … Continue reading

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13 April Science 8 Carbon and introduction to the Human Impact on the Environment Assignment

Carbon by a middle schooler: Lesson from Thin Air http://www.learner.org/vod/vod_window.html?pid=77 Carbon by Primo Levi, a scientist and writer http://rfrazier.msblogs.aes.ac.in/files/2012/08/CarbonStory11.pdf Audio https://www.youtube.com/watch?v=rRmQ6ySjwRs Carbon by a science journalist: http://www.npr.org/2007/05/01/9943298/episode-1-its-all-about-carbon http://www.npr.org/2007/06/14/11027169/episode-2-carbons-special-knack-for-bonding http://www.npr.org/2007/06/25/11366031/break-a-carbon-bond-and-presto-civilization http://www.npr.org/2007/07/03/11662978/when-carbon-falls-in-love-the-world-heats-up http://www.npr.org/2007/07/19/12099564/what-we-can-do-about-global-warming From a science documentary about plants: http://www.pbslearningmedia.org/resource/tdc02.sci.life.stru.photosynth/photosynthesis/ An interactive site: http://www.pbs.org/wgbh/nova/nature/photosynthesis.html … Continue reading

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10 April Science 7 Simple Machines–more about Work and Energy

Construct the K’nex devices (1 or 2). Analyze how they operate. How is the direction of the force changed? How is the size of the force changed? What is the “trade-off” of reducing the size of the force involved in … Continue reading

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8 April Science 7 Simple Machines–Exploring Energy through the concept of Work

Finish the activities you started on Monday with the pulley systems. See previous blogpost. In your notebooks, write a summary relating what you have learned about the effects different arrangements of pulleys have on forces and work. Take pictures to … Continue reading

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