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Life Science

  • Pill Bug Behavior Choices This introductory investigation into animal behavior uses pill bugs and choice chambers. Students begin with an experiment to test how pill bugs respond to humidity and can go on to design an inquiry to test another environmental factor. View »
  • Science Notebook: An Owl Pellet Inquiry This introductory owl pellet dissection is a springboard for teaching the techniques of using a science notebook while having students engage in the scientific practices. View »
  • Introduction to Prokaryotes: Cyanobacteria In this lab students observe two examples of cyanobacteria and make a simple comparison to a eukaryotic green alga. View »
  • Snakeheads Invade the United States Teach your students about the challenges nonnative species pose by focusing on a current example, the northern snakehead fish. Native to China, Russia, and Korea, this fish has established breeding populations in several states. Find out how this might have happened and what scientists are doing about it. View »
  • From Jellyfish to the Bench: How Green Fluorescent Protein Is Used in Research Students may be familiar with green fluorescent protein (GFP) from classwork or seeing transgenic animals in their local pet store. However, they may not know that it’s also an important research tool. Use this overview to help them discover how scientists use GFP to study many of the major questions in biology. View »
  • Introduction to Feeding Preferences in Caenorhabditis elegans The nonparasitic soil nematode Caenorhabditis elegans has served as a model organism for research scientists since the 1960s. This lab introduces students to the organism and provides them with the tools necessary to perform simple experiments. View »
  • Plant Biodiversity Field Activity This field activity introduces students to biodiversity through the study of plants and animals in a designated area. But here’s the twist—instead of using a quadrat to designate the area of study, students use a Hula Hoop® instead. View »
  • Introduction to Sterile Technique In this lab, students practice transfer of a bacterial culture using sterile technique. View »
  • Bacterial Motility In this lab, students perform two exercises that investigate microbial motility. One is on a microscopic level, using the “hanging drop” slide preparation method to directly observe motile cells. The second exercise is on a macroscopic level and involves inoculating motility test media. View »
  • Invertebrate Biodiversity with Berlese Funnels Using soil invertebrates, students identify the number of species present in a soil sample and the number of individuals within a species. With some simple math, they can then calculate the density of invertebrates in a plot. View »
  • Bacteria: The Citrate Test In this lab students perform a test on two different bacteria to determine whether the organisms can use citric acid as their sole carbon source. The citrate test is often performed as part of the IMViC (Indole, Methyl Red, Voges-Proskauer, and Citrate) series of tests used to differentiate common species of enteric bacteria. View »
  • Infographic: What's Your Blood Type? Use this exciting infographic as a teaching aid for your classes as your students discover the ABO/Rh blood groups. View »
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