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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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Got Seaweed?
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In this activity, learners examine the properties of different seaweeds, investigate what happens when powdered seaweed (alginate) is added to water, and learn about food products made with seaweed.
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Bone Fractures
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Most people break at least two bones in their lifetime. In this activity, learners will use celery stalks to model the many ways that bones can fracture.
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It's all Done with Mirrors
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This fun and simple hands-on astronomy activity illustrates the path of light as it reflects off of mirrors and how this is used in telescopes.
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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.
Why Are Two Eyes Better Than One?
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In this activity, learners explore how their depth perception would be affected if they only had one eye. Learners work in pairs and attempt to drop a penny in a cup with one eye covered.
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The Gas You Pass
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Although we may not admit it, all humans fart or pass some gas. In this activity, learners make their own model to mimic food passing through intestines and discover what releases gas.
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Invisible Sunblock
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This is a hands-on activity exploring how nanoscale particles are used in mineral sunblocks to increase their transparency.
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Earth Atmosphere Composition
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In this activity, learners use rice grains to model the composition of the atmosphere of the Earth today and in 1880. Learners assemble the model while measuring percentages.
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Burn a Peanut
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In this activity, learners burn a peanut, which produces a flame that can be used to boil away water and count the calories contained in the peanut.
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Smell the Difference
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In this two-part activity, learners use household items to smell the difference between some stereoisomers, or molecules which are mirror images of one another.
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Beach Finds Curiosity Cart
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In this activity, learners observe hard parts of sea creatures (shells, molts, etc.) to better understand marine environments.
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Exploring Size: Measure Yourself
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In this activity, learners mark their height on a height chart and discover how tall they are in nanometers.
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Pollution and Waste Audit: Making Responsible Decisions about Waste
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In this activity, learners discover the three R's of environmental protection: reduce, reuse, and recycle.
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Wheat Germ DNA Extraction
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This laboratory exercise is designed to show learners how DNA can easily be extracted from wheat germ using simple materials.
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Estuaries
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An estuary is a body of water that is created when freshwater from rivers and streams flows into the saltwater of an ocean.
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Color Vision
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In this online activity, learners make a whole rainbow by mixing red, green, and blue light. They can change the wavelength of a monochromatic beam or they can filter white light.
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Name That Frequency
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This activity was designed for blind learners, but all types of learners can model how vibrating particles, such as in a sound wave, bump into other particles causing them to vibrate, and that the vib
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Home Molecular Genetics
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In this activity, learners extract DNA from their own cheek cells, then create a rudimentary DNA profile similar to those seen on crime scene dramas.