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Exploring Tessellations (Grades K-2)
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In this activity, learners repeat patterns in two and three dimensions to create tessellations. This activity combines the creativity of an art project with the challenge of solving a puzzle.

Exploring Tessellations (Grades 3-5)
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In this activity, learners repeat patterns in two and three dimensions to create tessellations.

A Towering Achievement
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In this experience, learners use the internet to research physical details about Chihuly's Fireworks of Glass "Tower" and "Ceiling" and consider the decisions Chihuly had to make as he was planning th

Hot Stuff!
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In this activity, learners discover that sand is the major ingredient in glass.

Fraction Penguin
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In this craft activity, learners will recognize, name, and compare the fractions 1/2, 1/4, and 1/8 by constructing a penguin out of portions of paper circles.

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.

Give or Take?
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In this outdoor activity, learners work in pairs using their senses—especially touch—to learn more about individual trees.

Opti-Top
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In this activity, learners will create an optical illusion top. Learners will explore color mixing, physics and design through this activity.

Our Sense of Sight: Color Vision
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In this activity, learners investigate color vision as well as plan and conduct their own experiments.

Burst a Bubble
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In this activity, learners will create their own bubble solution. Learners will explore chemistry, geometry and trial and error through this activity.

Perspectives: Powers of 10
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In this activity, learners complete a series of drawing activities to explore scale and powers of 10. Learners first trace each other on 1-meter-square pieces of paper.

Colors of Stars
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In this activity, learners observe colors in the flame of a burning candle to explore connections between matter, light, color and temperature -- basic concepts of matter and energy.

What Color is Your Air Today?
Learners develop awareness and understanding of the daily air quality using the Air Quality Index (AQI) listed in the newspaper or online.

Horton Senses Something Small
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In this story time program, young learners listen to the Dr.

Fossil Dig Site
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In this activity (located on page 5 of PDF), learners work in groups to create dig sites for display.

Exploring a Complex Space-Filling Shape
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In this activity, learners build a paper stellated rhombic dodecahedron, a three-dimensional 12-pointed star.

Paint by the Numbers
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In this pencil and paper activity, learners work in pairs and simulate how astronomical spacecraft and computers create images of objects in space.

Geometry Construction: Polyhedral Playthings
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In this activity, learners create 3D geometric shapes using straws and pipe cleaners.

Make a Dinosaur
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In this activity, learners explore the size and scale of dinosaurs. Learners listen to "Dinosaurs, Dinosaurs" by Byron Barton to understand some background information about dinosaurs.
Building Houses: Build a Cardboard Tube House
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Build a house you can fit inside, using cardboard tubes.