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Build Your Own Wind Turbine
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Learners construct an electricity-generating wind turbine out of a plastic bottle.
Mercury in the Environment
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In this environmental science lesson, learners will examine the dangers of mercury and how humans contribute to growing mercury emissions on Earth.
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Water Body Salinities I
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In this activity, learners investigate the different salinity levels of oceans, rivers and estuaries.
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Water Body Salinities II
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In this activity, learners discuss the different salinities of oceans, rivers and estuaries.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-782.jpg?itok=xLGh1fUi)
What's In Your Breath?
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In this activity, learners test to see if carbon dioxide is present in the air we breathe in and out by using a detector made from red cabbage.
Light on Other Planets
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In this math-based activity, learners model the intensity of light at various distances from a light source, and understand how astronomers measure the amount of sunlight that hits our planet and othe
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Crystal Gardens
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In this activity, which requires adult supervision, learners get to explore the awesome power of chemistry.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-500.png?itok=5c2VCr80)
Exploring the Ocean with Robots
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In this activity, learners are introduced to robotic submarines called gliders. Learners make “gliders” from plastic syringes and compare these to Cartesian bottles and plastic bubbles.
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Water Quality and pH Levels in Aquatic Ecosystems
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In this fun and in depth hands-on experiment, learners test various liquid samples (distilled water, lemon juice, vinegar, and baking soda mixed with water) to determine their pH levels and identify e
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The Great Plankton Race
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In this activity, learners are challenged to design a planktonic organism that will neither float like a cork nor sink like a stone.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-271.jpg?itok=xtOTBhOm)
Glass and Mirrors: An Inside Look at Telescopes
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This hands-on astronomy activity allows you to create a “cutaway” telescope to clearly show how reflector and refractor telescopes work.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-798.png?itok=IKCcV01K)
Cook Up a Comet
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In this activity (on page 5 of PDF), learners use dry ice and household materials to make scientifically accurate models of comets.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-698.gif?itok=aZE1LnL3)
Inverted Foucault Pendulum
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In this demonstration, learners explore a variation of a Foucault pendulum, but upside down.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-075.jpg?itok=qHpoZumQ)
Acid Rain
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In this chemistry demonstration, acid rain is simulated in a petri dish.
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Getting There!: Navigation and Trajectory
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In this two-part activity, learners map a navigation plan to get from Earth to Mars and back. In activity one, learners represent the orbital paths of Earth through dance and dramatic movement.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-074.jpg?itok=B5qrIWTH)
Rock Bottoms
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Learners add acid rain (nitric acid) to two cups that represent lakes. One cup contains limestone gravel and the other contains granite gravel.
Coral and Chemistry
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In this experiment, learners will explore whether increased carbon dioxide makes our oceans more basic or more acidic.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-077.jpg?itok=ue7YBP_N)
Burning Issues
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Learners use a candle to investigate the products of combustion. When a glass rod is held over a lit candle, the candle flame deposits carbon on the rod.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-967.jpg?itok=1FWeJkLi)
Oil Spill Solutions
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In this activity, learners explore how environmental engineers might approach solving the problem of an oil spill.
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).