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Showing results 81 to 100 of 144
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Biochemistry Happens Inside of You!
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In this four-part activity, learners explore how the body works and the chemistry that happens inside living things.
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On the Microbe Trail: An Introduction to Bacteria and Aseptic Technique
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In this series of exercises, learners predict the conditions necessary for bacterial growth, test their predictions and at the same time practice the aseptic techniques and safety procedures needed wh
What Does Life Need to Live?
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In this astrobiology activity (on page 11 of the PDF), learners consider what organisms need in order to live (water, nutrients, and energy).
No bones about it!
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This is an activity (located on page 3 of the PDF) about the mixture of materials in bone and how they affect its strength.
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The Carbon Cycle: How It Works
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In this game, learners walk through an imaginary Carbon Cycle and explore the ways in which carbon is stored in reservoirs and the processes that transport the carbon atom from one location to another
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Dinosaur Breath
Through discussion and hands-on experimentation, learners examine the geological (ancient) carbon cycle.
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Modeling an HIV Particle
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This activity helps learners visualize the Human Immunodeficiency Virus (HIV) by constructing three-dimensional HIV particle models from paper.
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How Long Can You Hold Your Breath?
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In this activity (on page 142 of the PDF), learners will compare breathing rates before and after hyperventilation to explore how reduced carbon dioxide levels in the blood lower the need to breathe.
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Pitch, Roll and Yaw: The Three Axes of Rotation
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In this activity (page 87 of the PDF), learners move their bodies to better understand the three axes of rotation: pitch, roll and yaw.
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Breakfast Proteins
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In this activity, learners construct a cereal chain as a model of how proteins are made in the cell.
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Magnifying and Observing Cells
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In this activity related to microbes, learners make slides of cells from an onion skin and Elodea (American or Canadian waterweed) to observe under a microscope.
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A Simply Fruity DNA Extraction
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In this activity, learners extract DNA from a strawberry and discover that DNA is in the food they eat.
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Tobacco Mosaic Virus
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In this four-part laboratory exercise, learners investigate properties of Tobacco mosaic virus (TMV) including (1) symptoms induced by the virus in susceptible plants at the macroscopic and microscopi
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Life Size: Line 'em up!
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In this activity on page 1 of the PDF, learners compare the relative sizes of biological objects (like DNA and bacteria) that can't be seen by the naked eye.
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Close, Closer, Closest
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In this activity, learners perform an experiment that models a chromatography-like process called electrophoresis, a process used to analyze DNA.
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Who Can Harvest a Walleye?
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This activity focuses on interactions within Earth systems and the effects of human activities. In this activity learners build a biomass pyramid.
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Neuron Chain Tag
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In this outdoor activity, learners play a game of Tag to discover how neurons attach themselves to each other to form a chain.
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What Is a Neuron?
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This neuroscience activity introduces learners to how messages are sent and received by neurons. Learners use modeling clay and pipe cleaners to build model neurons.
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There's Always Room For JELL-O
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In this activity, learners cut wells in JELL-O© and load the wells with different detergent solutions.
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Demonstrating An Epidemic
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This experiment allows learners to experience a small scale "epidemic," demonstrating the ease with which disease organisms are spread, and enables learners to determine the originator of the "epidemi