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Showing results 61 to 70 of 70
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Water: A Basic Ingredient
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In this activity, learners explore healthy choices related to the liquids they drink. The importance of water and milk as essential nutrients for a healthy body is the focus of the experience.
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Small Habitats
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In this activity, learners build a model of a self-sustaining habitat (growing grass and beans from seeds).
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Recycling Rules: Understanding Recycling and a MRF
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In this activity, learners simulate the separation techniques that materials recovery facilities (MRFs) use and then design their own series of recycling techniques.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-659.jpg?itok=oyaLhCcc)
Sand, Plants and Pants
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In this activity, learners explore how the application of nano-sized particles or coatings can change a bigger material’s properties.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-674.jpg?itok=WljRWpIg)
Colored Shadows
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In this optics activity, learners discover that not all shadows are black. Learners explore human color perception by using colored lights to make additive color mixtures.
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Total Internal Reflection
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In this activity, learners use a laser pointer, empty soda bottle, rubber plug and water to demonstrate total internal reflection.
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Global Climate Change and Sea Level Rise
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In this activity, learners practice the steps involved in a scientific investigation while learning why ice formations on land (not those on water) will cause a rise in sea level upon melting.
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Jump to It!
Source Institutions
This is a quick and simple demonstration about reflexes (second activity on the page).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-603.gif?itok=-4_tnRNc)
Can You "See" Thermal Radiation?
Source Institutions
Use this hands-on activity to demonstrate infrared and thermal radiation.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-602.png?itok=4qSvPdwH)
Why is the Sky Purple?
Source Institutions
This simple hands-on activity demonstrates why the sky appears blue on a sunny day and red during sunrise and sunset.