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Basking Basics
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In this activity, learners will explore reptile biology by taking temperature readings in various places and comparing them.

Observing Insects at Night
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In this activity, learners set up a night time insect observation station with a light and sheet.

COSI's Bubble Recipe
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Everybody loves bubbles, and this is the best bubble recipe ever!

Bike Bling
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In this activity, learners will trick out their bike with crafts and flair. Learners will explore symmetry, cause and effect and design through this activity.

Bird Feeder Challenge
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In this activity, learners are challenged to build a bird feeder using recycled materials from home and are encouraged to problem solve during the extensions.

Bird Feeders
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In this activity, learners build a bird feeder or feeders to attract birds for observation.

It's the "Rain," Man
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In this weather forecasting activity, learners use common materials to construct a rain gauge and measure daily, monthly, and yearly rainfall.

Take It in Stride
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In this health and fitness activity, learners focus on the importance of daily physical activity, specifically walking.

Shake a Shrub
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This is an activity where learners will discover what types and how many insects live in their own backyard.

Wind Mapping with Bubbles
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Discover the wind's direction using bubbles, a map and a keen eye. Learners blow bubbles and note their general direction on a map, taking readings from different points around a building.

Solar Powered Cooking
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In this activity, learners make a solar oven. Learners witness the awesome power of the sun to make a yummy treat--a chocolate chip cookie!

Self-Portrait Silhouettes: Activity 2
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In this activity, learners make a photographic image—without a camera!

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.

Bottle Blast Off
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With little more than a plastic bottle, some vinyl tubing, and a length of PVC pipe, make a rocket and a rocket launcher and investigate how rockets fly.

Sandy Samples
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In this collecting/comparing activity, learners work with samples of sand from different places like a lakefront, river, or ocean beach.

Stomp Rocket
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In this activity, learners build rockets and shoot them into the air by stomping on the plastic bottle launchers.

Hit the Spot!
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This is a hands-on activity about the physics of tennis. Learners will discover that physics plays a big part in tennis, no matter what their skill level might be.

Finding the Size of the Sun and Moon
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In this activity, learners build a simple pinhole viewer. They use this apparatus to project images from a variety of light sources, including a candle, the Sun, and the Moon.

Drying It Out
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In this activity, learners investigate and compare the rate of drying in different conditions.

Keeping a Field Journal
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In this activity, learners start their own field journal to better understand the wildlife in their area.