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Fused Plastic Wallet
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In this up-cycling activity, learners recycle plastic bags and repurpose them into useful wallets.

Views From Windows
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In this activity, learners use their imaginations and picture a scene in their heads.
Pósteres Sobre el Espacio y Matemáticas
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Exponga estos pósteres en el salón o déjelos donde los chicos los puedan explorar. Los chicos buscan las respuestas en línea, en libros de consulta, y en calendarios y almanaques.

Go With the Flow
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In this activity, learners will observe laminar and turbulent flow of water using only a plastic bottle, liquid hand soap, food coloring and water.

DIY Sunprints
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In this activity, learners will see how UV light affects colors over time by making their own sunprint on construction paper.

Straws and Airplanes
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Create airplanes from straws and geometric shapes. Test them out to see how far they can fly, or how accurately they can be aimed.

Magnetic Seesaw
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In this activity, learners build a seesaw powered by magnets.

Kaleidoscope
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In this activity, learners investigate the reflective properties of light and mirrors as they make a kaleidoscope.

Mapping the Classroom
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In this activity, learners discover the importance of maps and scale as they work together to create a map of the classroom.

I M O K. U R O K.: You Can Make Sentences Without Words!
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Can you read the sentence "I C U"? Not really - but if you say each letter aloud, you'll say the simple sentence, "I see you." What if you change the "C" into a picture of an eye?

Make An Impact
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In this hands-on activity, learners simulate the crashing and smashing of a meteor impact using household cooking supplies.

Paper Lanterns
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In this activity, learners explore light and shadows by creating a lantern they can keep on their nightstand.
Musical Coathanger
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In this activity, learners turn an ordinary metal coat-hanger into a (very quiet) musical instrument.

CANdemonium: Make a Drum Out of Recycled Cans
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With three cans and some tape, make a drum that you bonk down on any surface to produce a variety of sounds. This activity also teaches you about pitch, vibration, and frequency.

Bag Pipe
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In this activity, learners explore sound by constructing their very own bagpipe instrument.

Crazy Camouflage
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In this activity about camouflage, learners create a model that shows how a flounder is able to blend into a variety of environments.

Carousel Pump
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In this activity, learners build a carousel toy that spins when pushed down.

Engineering For Earthquakes
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In this design challenge, learners will engineer a structure and see if it can survive an earthquake they create.
Rate It: Working With Zero and Negative Numbers
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In this activity, learners will rate the day, a book, or something else on a scale from -2 to 2. This activity works well for groups of all ages.

Cooking with Chemistry
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In this activity, learners experiment with different variables in making hollandaise sauce to achieve the correct texture and consistency.