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Dust Catchers
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In this activity related to indoor air pollution, learners build take-home dust catchers with wax paper and petroleum jelly.
Skin Deep
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In this activity, learners explore how to protect their skin while applying pesticides to plants.
Trading Places: Redox Reactions
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Visitors add drops of copper sulfate solution onto a steel nail. They observe the nail change color from silver to brown as the copper plates onto the nail.
Isopods
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In this outdoor activity, learners dig for and collect isopods (sometimes known as "roly-poly bugs" or "potato bugs" and other names).
Currently Working: Testing Conductivity
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Visitors test solutions of water, sugar, salt, and hydrochloric acid and the solids salt and sugar. They clip leads from the hand generator to wires immersed in each substance.
Forwards and Backwards: pH and Indicators
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Visitors prepare six solutions combining vinegar and ammonia that range incrementally from acid (all vinegar) to base (all ammonia).
Yeast Balloons
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Visitors observe a bottle with a balloon attached around the mouth. The bottle contains a solution of yeast, sugar, and water.
DNA Nanotechnology
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In this activity, learners explore deoxyribonucleic acid (DNA), a nanoscale structure that occurs in nature.
Single-Cell Life
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In this activity, learners create a soil and water model of a single-cell life environment and study living microorganisms.
Build a Fruit Fly Trap
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In this construction activity, students use a 2-liter bottle to build a fly trap.
Jay Play
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In this outdoor activity, learners find out the color of food that jays prefer and then try to change the birds' preference by altering the taste of the food with salt.
Gross Growth
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In this activity, learners grow germs collected from their hands and other objects. They cultivate the germs on a growth medium (such as slices of grapefruit or processed cheese) for a week.
Hot and Cold: Endothermic and Exothermic Reactions
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Visitors mix urea with water in one flask and mix calcium chloride with water in another flask. They observe that the urea flask gets cold and the calcium chloride flask gets hot.
It's A Gas!
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Visitors mix water and sodium bicarbonate (baking soda) in a large flask. They then add citric acid to the mixture and stopper the flask. The resulting reaction creates carbon dioxide gas.
All Mixed Up!: Separating Mixtures
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Visitors separate a mixture of pebbles, salt crystals, and wood shavings by adding water and pouring the mixture through a strainer.
Concentrate: Concentrations and Reaction Rates
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Visitors incrementally increase the amount of iodate in three different test tubes containing the same amount of a starch solution.
Wintergreen
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In this outdoor, winter activity, learners find living green plants under the snow and determine the light and temperature conditions around the plants.
Microbes are Everywhere
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In this four-day activity, learners grow bacteria and/or fungi from a variety of locations and compare the results.
Jelly Beads
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Learners add drops of alginate solution to a solution of calcium chloride. The alginate does not mix with the calcium chloride, but forms soft gel beads.
Dinosaur Bone Experiments
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This activity features two connected hands-on activities about dinosaur bones.