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Showing results 21 to 33 of 33
Ocean in a Bottle
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In this simulation activity, learners observe what can happen when ocean waves churn up water and oil from an oil spill.
Build A Bee Bath
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In this activity, learners use found natural materials to create a water haven for bees and other insects.
Drops on a Penny
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In this activity, challenge learners to predict and investigate how many water drops they can fit on one penny.
The Rain Man
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In this activity, learners observe the hydrologic cycle in action as water evaporates and condenses to form rain right before their eyes.
Make a Lake
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Where rainwater goes after the rain stops? And why there are rivers and lakes in some parts of the land but not in others?
Low-Tech Water Filter for High-Impact Clean
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In this activity, learners consider the water features they might enjoy at a community park--a pond, brook, water playground (or "sprayground"), or pool--and what happens to the water over time.
Water, Water Everywhere
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In this activity, learners estimate how much water they think can be found in various locations on the Earth in all its states (solid, liquid, and gas) to discover the different water ratios in the Ea
Turbidity
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This is an activity about turbidity, or the amount of sediment suspended in water.
Window Under Water
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Glare from the sun and ripples from the wind can make it hard to see what's below the surface of a body of water.
Frozen Sculptures
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In this activity, learners use objects they find on a nature and water to make creative frozen sculptures.
Wax 'n Wash
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In this activity, learners create secret messages using a candle. Learners discover that watercolor paint is attracted to some materials, like paper fibers, but not others, like oil.
Exploring the Universe: Ice Orbs
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“Exploring the Solar System: Ice Orbs” is a hands-on activity in which visitors investigate a frozen orb, trying to learn about objects hidden inside.
Ocean Currents
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In this activity, learners will explore how density is affected by temperature and how that can create currents.