COSI

DNA From an Onion
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In this genetics activity, learners extract DNA from an onion, using detergent solution, a food processor, and rubbing alcohol. They will also discuss genetic engineering of plants.

Oh Boy Buoyancy
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In this physics activity, learners will explore the concept of buoyancy, especially as it relates to density.

The Pulse of Gravity
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In this astronomy activity (page 3 of the PDF), learners will examine the effects of gravity on a person’s pulse and explore how gravity can differ from planet to planet.

Cohesion Coin
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In this activity about the property of water (page 6 of the PDF), learners use a coin to demonstrate cohesion between water molecules, exploring the molecular forces that allow water molecules to "

Candy Dish Natural Selection
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In this yummy biology activity (page 3 of the PDF), learners participate in a demonstration of natural selection.

Composting Bioreactor
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In this activity (page 19 of the PDF) learners will create a soda bottle bioreactor by exploring the science of composting, comparing variables such as reactor design, moisture content, and nutrient r

In the News
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In this fun and imaginative writing assignment (page nine of the pdf), students will flex the creative side of their brains to learn more about the laws of motion and the scientific process.

Criminal Info
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In this fun math activity (page 5 of the pdf), learners will help a secret agent crack a case by solving math problems.

Coffee Filter Rainbows
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In this activity about color, learners get to explore the process of chromatography. Right before their eyes, they can watch ordinary green and black ink turn into a literal rainbow of colors.

Sugar/Salt Crystals
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In this chemistry activity (page 1 of the PDF), learners will observe a physical change.