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Build Your Own Robot Arm
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In this lesson, learners develop a robot arm using common materials. Learners explore design, construction, and teamwork, as well as materials selection and use.

Pinhole Viewer
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In this activity, learners discuss and investigate how cameras, telescopes, and their own eyes use light in similar ways.
Magic Wand Creations
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This is an activity in which learners create magic wands from a variety of materials making their choices by considering what kind of magic they want to make.

Make a Dinosaur Model
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In this activity, learners explore dinosaur skeletons, anatomy, and locomotion. Learners compare and contrast dinosaur skeletons and drawings.

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.

The Poor Cartographer: Graph Coloring
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In this activity, learners help a poor cartographer color in the countries on a map, making sure each country is colored a different color than any of its neighbors.

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.

It's All About Birds
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In this activity, learners create their own bird species using arts and crafts materials. The bird call recordings are not online so the introduction activity can't be done, but everything else can.

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

Mini Zoetrope
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In this activity (posted on March 27, 2011), learners follow the steps to construct a mini zoetrope, a device that produces an illusion of action from a rapid succession of static pictures.

Eclipse Flipbook
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In this activity, learners make flipbooks of drawings showing the progression of a Total Solar Eclipse.

Heart and Lungs
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In this environmental health activity, learners investigate their breathing and pulse rates, and learn how these measurements are affected by physical activity.

Build a Bell Bracelet
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Learners make bell bracelets, place them on their wrists or ankles, and then dance to the rhythms and sounds the bells make. Many cultures use ankle or wrist bells to make music during dancing.

Butterfly Symmetry Painting
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This activity (on page 3 of the PDF) has learners create models of butterfly wings.

Build a Bug
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In this activity (on page 2 of the PDF), learners use art supplies to build models of insects, both real or imagined.

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.

Big Banner Mural
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This activity is about the mural making process done about 9,000 years ago in Catalhoyuk, Turkey.

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.

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