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by: Miss Myrtis Brekke


Miss Myrtis Brekke
GPA 3.63


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Class Notes
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This 2 page Class Notes was uploaded by Miss Myrtis Brekke on Saturday September 26, 2015. The Class Notes belongs to GSCI 161 at James Madison University taught by Staff in Fall. Since its upload, it has received 29 views. For similar materials see /class/214154/gsci-161-james-madison-university in General Education Science at James Madison University.

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Date Created: 09/26/15
Notes Review and Practice Questions for GSCI 161 9201 Part 1 Review questions 1 This would be a take home question if it were on an exam The Small Change activity is used in middle schools and high schools to teach about density the composition of materials and other science topics as well as experimental methods In our class we used this activity to review the rules of good graphing Write a short lesson description one page or less for how you might use a modification ofthis activity in a middle school science class Focus on an application that is different from what we did in class For example density precision in taking mass measurements significant figures or any appropriate topic of your choosing Include your objectives for the concepts you want to cover with this activity Also include a brief description ofthe activity questions for students and references One possible reference Penny Skins from the Carolina Biological Supply Chemistry web site httpwwwcarolinacomcherHist 39 Itspennvskinshtm 2 For the graph shown below note improvements you might make in the title caption axis labels and chart format Amount of Blue Dye E 30 m 1 5 a 20 quot vI Q 39a O 10 o O 5 0 r r r c 0 20 40 60 80 100 time This plot illustrates how the intensity of a blue dye decreases rapidly over time when bleach is added After only 80 seconds the blue dye is entirely bleached 3 Use the data on page 22 of your text to create a illustrating the average amount of land needed to support an average person on this planet Each of us uses land for energy forest products houses roads and other built up areas as well as land for food The Rio5 Forum has estimated the total land used by an average world citizen in each ofthe following categories Fossil energy land 082 hectares per person Arable land 025 hectares per person Pasture 06 hectares per person Forest 06 hectares per person Builtup areas 003 hectares per person The sec 05 hectares per person Type the categow label at the top of each column in an MS Excel spread sheet In the row below each categow type the land used by an average world citizen in hectares To create a bar chart highlight the entire data set including the categow labels at the top of each column lnclude an appropriate title and caption for your bar chart Notes for How does the mass of a penny depend on the year it was minted Small Change 32 3 0 vav wvuo 33 28 5 26 o E a oo o oo o w E 3392 24 lt o 22 20 1960 1965 1970 1975 1980 1985 1990 1995 2000 Yearminted This is an example plot of the average mass per penny in grams for each year from 1960 through 2001 I like this plot because it includes units as part of the yaxis label It also has an x axis scale that shows exactly when the change in mass occurred Here are two example captions from GSCI 161 students


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