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Linkages
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This design challenge is an open-ended exploration of linkages, a group of parts connected by hinges, and the types of motion they can create.

Exploring Materials: Nano Gold
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In this activity, learners discover that nanoparticles of gold can appear red, orange or even blue. They learn that a material can act differently when it’s nanometer-sized.

Cupcake Delivery
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In this design challenge, learners will create wind-powered contraptions to transport a load, such as a cupcake or another small object, and test to see if they work.

Sound Charades
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In this game, learners create flash cards with an image on one side (of an animal, for example) and the sound that animal makes on the other.

A Flag for Your Planet
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In this activity, learners design a flag for a chosen or assigned planet. The instructions include information about flags on Earth, and a list of flag references.

Nature Painting
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In this activity learners will create paint out of natural materials. Explore your natural world (or your fridge) and find berries, leaves, or flowers to find a great base for your paint.

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.

Kinetic Sculpture: Program the Pico Cricket to Make Your Art Light Up or Spin
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Use a Pico Cricket (micro-controller) to animate your art! You can program a Pico Cricket to make your art spin, light up, or make music.

Subtractive Paint Prints
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In this activity, learners of all ages will experiment with paint and printmaking.

Exploring Materials: Thin Films
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In this activity, learners create a colorful bookmark using a super thin layer of nail polish on water. Learners discover that a thin film creates iridescent, rainbow colors.

Pico Cricket Compass
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Learners can program a compass to draw a circle by itself using a Pico Cricket, some Legos, and lots of tape! Pico Cricket is required.

Decibel Cannon
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In this activity, learners will construct an air cannon as a model for the human ear.

Rainbow Film
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In this activity, learners use clear nail polish to create a beautiful iridescent pattern on black paper. Learners discover that a thin film creates iridescent, rainbow colors.

Bonseki Salt Art
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In this activity learners will be creating art using a traditional Japanese art style.

Does the Moon Rotate?
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This fun and simple hands-on astronomy activity lets learners make 3-dimensional models of the Earth and Moon.

Paper Sculptures
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In this activity, learners manipulate paper to build original 3-dimensional sculptures. Appropriate for any age, learners can use fingers to tear, crumple, or fold, and if available, scissors to cut.

Make Pan Pipes
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This is a simple activity for learners to create a traditional musical instrument. Pan Pipes have developed all over the world in different cultures, from South America to Greece and China.

Shadow Puppets
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In this activity, learners will create their own simple shadow puppets, and experiment with light and shadow while playing with them.

Paper Folding: Unfurling Geometric Paper Shapes
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Use geometry, a ruler, and a steady hand to create these amazing unfurling paper folds!

Plastic Bag Creations
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In this activity, learners will reuse plastic bags in an interesting way.