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Showing results 681 to 700 of 1225

Rainbow Glasses
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In this activity, learners explore light, color and rainbows by making their own rainbow glasses.

Bird Binoculars
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This is a tape and glue activity in which learners make binoculars that they can decorate and then use to go bird watching.

A Closer Look at Crystals
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In this activity, learners compare different types of salt crystals under a magnifying glass.

Fuzzy Worms
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In this activity, learners explore the concepts of natural selection and observable traits in a game that can be played at home.

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

Salt Painting
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In this art meets chemistry activity, early learners discover the almost magical absorbent properties of salt while creating ethereal watercolor paintings.

Homegrown Xylophone
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In this activity, learners create music from a series of bottles filed with water. Learners discover that the sound produced by each bottle depends on the amount of water in the bottle.

Glitter Globe
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This activity shows learners (with adult supervision) how to make a Glitter Globe, a fabulous toy that shimmers when you shake it.

Whirling Watcher: Make a Stroboscope
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In this activity, learners make a stroboscope--a spinning disk with slits around the edge that you look through.

Slide Whistle
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In this activity, learners build a slide whistle using PVC pipe, bamboo skewer, and piece of foam. Construction of the instrument is relatively simple.

Acids & Bases
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In this activity, learners test the pH of safe liquids available at home by creating a pH indicator from mashed blueberries.

Mixing and Unmixing in the Kitchen
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In this chemistry investigation, learners combine common cooking substances (flour, baking powder, sugar, salt, pepper, oil, water, food coloring) to explore mixtures.

Inverted Foucault Pendulum
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In this demonstration, learners explore a variation of a Foucault pendulum, but upside down.

Solving Playground Network Problems
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In this activity, learners use cooperation and logical thinking to find solutions to network problems on the playground.

Anti-Gravity Chamber
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In this activity, learners will use magnets and household items to create a structure that allows paperclips to appear like they are floating.
Piece It Together: Puzzle Hunt
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In this activity, learners follow clues to find five puzzle pieces, then assemble them. This activity works well with a whole group, individuals, or families.

Enzyme Action
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In this activity that can be used as a lab or demonstration, learners use Lactaid® and lactose to demonstrate the concept of enzyme action.

Three Circles of Pigments
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In this activity, learners overlap the three primary colors to see how all other colors are made.

Tweak Your Beak
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In this activity, learners will explore how different bird beaks work and discover what birds can eat based on their beak shape.

Raceways
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In this activity, learners build a model roller coaster to help the Mummy entertain the Atom's Family monsters. Learners assemble the roller coaster between two chairs using vinyl ceiling molding.