This is an online, interactive learning activity in which students learn about human blood types. The activity leads the user through the characteristics of each human blood type, clearly differentiates between antigens and antibodies, depicts agglutination and explains the various situations in which this can occur, and assesses understanding through a "matching" exercise. Students who struggle...

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Rather than listing the steps of the scientific method, this resource illustrates the process of science as being iterative in order to give students a better idea as to how researchers utilize the scientific method. This website includes interactive illustrations for students as well as background information. This resource is also part of the Understanding Science website (http...

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In this activity, a visual model of the reactions of photosynthesis (and to a lesser extent, respiration) is provided to students. Students evaluate the model in groups, and subsequently use it to answer questions about the model as presented, as well as the results of perturbations to the pathways indicated in the model. These ?perturbation? questions require students to step back and ana...

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This is a worksheet (and key) that emphasizes the chemistry of water and the emergent properties of water that arise from water's chemistry. Its purpose is to reinforce the lecture material on these topics and to help students start to think about what makes a molecule polar/hydrophilic vs. nonpolar/hydrophobic. It was adapted from a worksheet posted at http...

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The PNAS Podcast program provides short, informative, recorded, "...conversations with cutting-edge researchers, Academy members, and policy makers as they discuss topics relevant to today's scientific community." Topics vary across a wide range concepts, from, "how mosquitoes survive raindrops" to, "How caffeine can help prevent cancer." These podcasts could serve a variety of purposes for...

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