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Leaves: Extracting Pigments
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In this fun, hands-on autumn activity, learners experiment to discover whether the colored substances in leaves can be separated from the leaves.
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Water Molds (Oomycetes)
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In this laboratory activity, learners use a simple procedure to bait oomycetes from water and/ or soil and then examine these fungus-like organisms with the microscope to see how they look.
Coastal Erosion: Where's the Beach?
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Learners use beach profile data from a local beach or online data from Ocean City, Maryland to investigate coastal erosion and sediment transport.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-113.png?itok=voFrQaUA)
Twirling in the Breeze
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In this engineering activity, learners build a device (an anemometer) to measure how fast the wind is blowing.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-778.jpg?itok=ays5VRr-)
Clean Water: Is It Drinkable?
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In this activity, learners simulate nature's water filtration system by devising a system that will filter out both visible and invisible pollutants from water.
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Invent an Animal
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In this outdoor activity and game, learners explore how animals adapt for survival through coloration, markings and camouflage.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-027.jpg?itok=F82eZ01h)
The Carbon Cycle and its Role in Climate Change: Activity 3
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In this activity, learners explore the human influences on the carbon cycle and examine how fossil fuels release carbon.
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Natural Selection in Protected and Unprotected Populations
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In this simulation, learners model two elephant seal populations and how they change over time. Learners start with cards representing a variety of seals.
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Running in Circles
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In this group activity, learners use some common objects and work together to simulate the Coriolis effect. During the challenge, learners make predictions and test different scenarios.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-208.png?itok=wcpQmHlk)
Food Chains and Webs
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In this activity, learners investigate feeding relationships. Learners complete a food web and then make a mobile to represent a food chain.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-274.jpg?itok=dAX8JjYM)
Amazon Water Cycle Roleplay
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In this creative roleplay activity, learners will explore the various processes of the water cycle using movement, sound, and props to aid in comprehension.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-755.jpg?itok=kYauaekx)
What is Light?
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In this four-part activity, learners will discover the exciting world of light--the most important form of energy in our world--and be able to identify and describe different types of light.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-491.jpg?itok=Sfa8v-Wr)
Make a Model Caldera
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In this quick activity (page 2 of PDF under GPS: Lava Flow Activity), learners will model how large depressions near the top of a volcano are formed by using an inflating and deflating balloon submerg
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Rock Pioneers
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In this outdoor activity/field trip, learners investigate organisms that live along the ocean's rocky coast.
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Coral, Carbon Dioxide and Calcification
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In this group activity, learners act out key stages of the "ocean carbon cycle" (also known as the "carbonate buffer system") through motions, rearranging blocks and team tasks.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-147.png?itok=pEwd6l7U)
Crunch Time
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In this quick and easy activity and/or demonstration, learners use two empty 2-liter bottles and hot tap water to illustrate the effect of heat on pressure.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-103.png?itok=Gl0jYJuC)
Deep Sea Diver
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In this ocean engineering activity, learners explore buoyancy and water displacement. Then, learners design models of deep sea divers that are neutrally buoyant.
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Measure the Pressure: The "Wet" Barometer
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In this activity, learners use simple items to construct a device for indicating air pressure changes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-503.gif?itok=suL1WAo7)
Mapping Mockingbirds
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This lesson plan revolves around studying the speciation of the Galápagos mockingbirds, which are on display at the California Academy of Sciences.
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Shake it up with Seismographs!
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In this activity, learners explore the engineering behind seismographs and how technology has improved accurate recording of earthquakes.