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Science Sampler: Torricelli, Pascal, and PVC pipe
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Two giants of science who led the way to our understanding of atmospheric pressure and fluids were Evangelista Torricelli and Blaise Pascal. By conducting experiments inspired by those of Torricelli and Pascal using…
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As prices soar to over $3 a gallon, “it” has become a hotly contested political issue. Wars and other international conflicts have erupted over access to “it,” and pumping “it” out of the ground has become more and more…
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The Case Study: The Wolf, the Moose, and the Fir Tree
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This analysis case study is based on an article that appeared in Science entitled “Wolves, Moose, and Tree Rings on Isle Royal,” by B. E. McLaren and R. O. Peterson (1994). Although developed for a sophomore ecology…
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Idea Bank: Asking Authentic Questions with Tangible Consequences
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For physics teachers, it seems irresponsible to teach energy without asking students hard, relevant questions such as, “What will we do when oil becomes prohibitively expensive?” Therefore, in the fall of 2005, the…
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The author incorporated the ExploraVision competition into the energy unit of her school's physics curriculum with the help of a media specialist.
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Intelligent Teaching: Using the theory of multiple intelligences in the inquiry classroom
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Incorporating the theory of multiple intelligences (MI) into the science classroom can create a better learning environment for all students. In this article the authors discuss the MI theory and offer suggestions for…
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Model-Based Inquiry (MBI) is an emergent instructional strategy that is gaining acceptance among science educators. This approach to learning realistically mirrors the work of scientists, who develop and test hypotheses…
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The pipe cleaner DNA model uses simple materials, but offers limitless opportunities for realistic manipulation, including DNA replication, mutation, and protein synthesis. The activity is also appropriate for students…
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Teaching Through Trade Books: Earthquakes!
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This column includes activities inspired by children’s literature. This month’s issue covers two books that deal with earthquakes.
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Teaching Through Trade Books: Roller Coasters!
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Students of all ages are fascinated by the ups, downs, loops, and twists of roller coaster rides! What they may not realize is that there is a lot of science involved in making a roller coaster work. This month’s column…
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A Course in Nanotechnology for Nonscience Majors
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Chemistry is a good entry to many topics in nanotechnology. This paper describes a non-science majors' course in which chemical concepts provide the background to the study of this new field.
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Science Sampler: Differentiated assessment
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One of the goals of science education is to encourage students to think and reason at increasingly higher levels. In order to accomplish this goal, the authors created a unique form of assessment that not only…
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A lesson on snow demonstrates several principles of practice for using models in elementary science. The article also discusses how models can be used to help students construct meaning as they compare the properties of…
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Science Sampler: Putting the science back in the science fair
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Despite the value of a science fair, the reality is that students often consult the internet to find a science fair topic. This usually means that their projects may not be something they are curious about, or they may…
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The National Science Education Teaching Standards state that students should be provided with opportunities to use resources outside the classroom (Standard D; NRC 1996). Involving parents in learning, including…
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