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Showing results 81 to 100 of 144

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In this four-part activity, learners explore how the body works and the chemistry that happens inside living things.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
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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

$10 - $20 per group Ages 14 - 18 1 to 2 hours
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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).

Over $20 per group Ages 8 - 18 1 to 4 weeks
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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.

$10 - $20 per group Ages 8 - 14 2 to 4 hours
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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

free Ages 11 - 18 45 to 60 minutes
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Through discussion and hands-on experimentation, learners examine the geological (ancient) carbon cycle.

$1 - $5 per group Ages 11 - 14 45 to 60 minutes
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This activity helps learners visualize the Human Immunodeficiency Virus (HIV) by constructing three-dimensional HIV particle models from paper.

1 cent - $1 per student Ages 8 - 18 1 to 2 hours
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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.

1 cent - $1 per group Ages 8 - 18 45 to 60 minutes
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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.

free Ages 8 - 18 45 to 60 minutes
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In this activity, learners construct a cereal chain as a model of how proteins are made in the cell.

1 cent - $1 per student Ages 11 - 18 10 to 30 minutes
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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.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners extract DNA from a strawberry and discover that DNA is in the food they eat.

$1 - $5 per student Ages 11 - 14 45 to 60 minutes
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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

Over $20 per group Ages 14 - 18 1 to 7 days
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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.

free Ages 8 - 18 10 to 30 minutes
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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.

1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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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.

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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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.

free Ages 8 - 18 10 to 30 minutes
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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.

$1 - $5 per group Ages 11 - 14 45 to 60 minutes
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In this activity, learners cut wells in JELL-O© and load the wells with different detergent solutions.

$1 - $5 per student Ages 11 - 18 4 to 24 hours
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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

Over $20 per group Ages 14 - adult 4 to 24 hours