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The Rumblin' Road: Determining distance to a Thunderstorm
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In this activity, learners discover how to determine the distance to a lightning strike or nearby thunderstorm.
Salt 'n Lighter
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In this activity, learners discover that as the salinity of water increases, the density increases as well. Learners prove this by attempting to float fresh eggs in saltwater and freshwater.
Glue Stick Sunset
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In this activity, learners explore why the sky is blue. Learners model the scattering of light by the atmosphere, which creates the blue sky and red sunset, using a flashlight and clear glue sticks.
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.
What Causes Rainbows?
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In this activity, learners explore how and why rainbows form by creating rainbows in a variety of ways using simple materials. Learners create rainbows indoors and outdoors.
Build a Soundscape
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This is a virtual representation of a sound mixer containing pre-looped sounds of animal, insect, and environmental noises.
Hot Sauce Hot Spots
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In this activity, learners model hot spot island formation, orientation and progression with condiments.
The Squeeze Box
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In this geology activity learners build a "squeeze box," which allows them to compress layers of sediment. This is a great way to investigate folding and faulting in the Earth.
Go with the Flow
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In this quick and easy activity and/or demonstration, learners use two empty soda cans to illustrate Bernoulli's principle.
DIY Weather Vane
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In this activity, learners will engineer their own weather vane. This activity includes step-by-step instructions with pictures and a "What's Happening?" section explaining how the activity worked.
Chocolate (Sea Floor) Lava
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In this edible experiment, learners pour "Magic Shell" chocolate into a glass of cold water. They'll observe as pillow shaped structures form, which resemble lavas on the sea floor.
Thrush Songs: An Interactive Game
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In this interactive game, learners listen to the songs of four different thrushes and then try to match each bird with its song.
Updrafts in Action
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In this weather activity/demonstration, learners watch as a ping pong ball is suspended in a stream of air supplied by a hair dryer.
That Sinking Feeling
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In this quick activity, learners observe how salinity and temperature affect the density of water, to better understand the Great Ocean Conveyor.
Sound Mixer: A Multi-track Mixer of Animal Sounds
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This is a virtual representation of a sound mixer containing pre-looped sounds of animal, insect, and environmental noises.
How Animals Stay Warm
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In this quick activity, learners explore how blubber protects animals from the cold by making a "blubber mitt." Using cooking shortening, two zip-top sandwich bags, and duct tape, learners simulate bl
Make Your Own Deep-Sea Vent
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In this activity, learners make a model of the hot water of a deep sea vent in the cold water of the ocean to learn about one of the ocean's most amazing and bizarre underwater habitats.
Heavy Air
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In this activity and/or demonstration, learners illustrate visually and physically that air has weight. Learners balance two equally-inflated balloons hanging from string on a yard stick.
How it is Currently Done
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In this quick activity, learners observe how wind creates ocean currents.
Polar Opposites
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In this activity, learners make a 3-D model of magnetic fields by inserting a small, strong magnet into a sphere.