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Sticky Structures
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In this engineering/design/arts and crafts activity, learners design and build "platforms" or "bridges" that can hold weight, and test which glue makes the strongest structure.

Tube Zither
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In this activity, learners explore sound by constructing tube zithers, stringed instruments from Southeast Asia and the South Pacific.
Any Year Calendars
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This PDF contains 12 calendars (12 months). Each month contains activities about math. Things to do on familiar holidays (like July 4), less common holidays (like Backward Day), and any day.

Milk Plastic
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In this activity, learners transform everyday milk into small plastic figurines and jewelry. Use this activity to introduce learners to monomers and polymers.

Bearings for Your Whirligig
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Experiment with friction and make bearings for a whirligig! This activity is a nice introduction to friction and bearings and demonstrates why bearings are useful for spinning.

Thumb Piano
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In this activity, learners explore sound by constructing a simple piano out of wood and craft sticks.

Box Ecology
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This great "re-use it" activity will demonstrate how to transform a greeting card into a box. Once constructed, the box can have many uses like holding special notes or keepsakes.

Toy Chemistry
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In this playful, goopy activity, learners mix two liquids to create a solid (that sometimes acts like a liquid ), using basic household materials such as borax and glue.

Lever Cowboy
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In this activity, learners build a figure that moves and "comes to life" when they pull its string.

Sound Automata
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In this activity, learners build their own sound machines and explore the interplay of motion and sound.
Filling the Time
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Build time sense into the schedule by asking learners to predict what can happen in a certain amount of time: We have 20 minutes before outdoor time. What can you get done?

If Anyone Can, Icon
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In this activity, learners create their own icons for a forecast-at-a-glance poster for their classroom/learning space.

Torsion Drum
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In this activity, learners build a musical drum using a cardboard tube, plastic wrap, and beads.

Shrinky Dinks
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Heat makes some materials expand, and it makes others shrink.

Woodpecker
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In this activity, learners construct a traditional handicraft toy that illustrates a motion commonly associated with violins and earthquakes.

Operation Espionage
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In this activity, learners create and reveal secret messages written with invisible ink! The invisible ink is actually a baking soda solution, and the magical revealing liquid is fruit juice.

Create a Coral Reef
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Educator Amy O'Donnell from the American Museum of Natural History guides learners to create a diorama of a coral reef.

Calendarios para cualquier año
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Este Web site contiene links a 12 calendarios (12 meses). Cada mes contiene actividades sobre matemáticas.

Light is Made of Colors
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Learners observe different light sources, outdoors and indoors, using prism glasses (diffraction glasses) and color filters.

Soggy Science, Shaken Beans
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Learners explore soybeans, soak them in water to remove their coat, and then split them open to look inside. They also make a musical shaker out of paper cups, a cardboard tube, and soybeans.