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Mercury in the Environment
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In this environmental science lesson, learners will examine the dangers of mercury and how humans contribute to growing mercury emissions on Earth.
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Gravity Fail
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In this activity, learners try pouring water out of a regular cup and a miniature cup. It’s harder than it sounds! Learners discover that different forces dominate at different size scales.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-669.png?itok=W9ELo08r)
Nano Ice Cream
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In this activity/demo, learners discover how liquid nitrogen cools a creamy mixture at such a rapid rate that it precipitates super fine grained (nano) ice cream.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-685.gif?itok=9j_pb0nH)
Illuminations on Rates of Reactions
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In this activity, learners investigate the speed of chemical reactions with light sticks. Learners discover that reactions can be sped up or slowed down due to temperature changes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-735.jpg?itok=bRArjYIc)
Five-Layer Density Column
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In this activity, learners can create five-layer density columns by employing one of three (or all) methods.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-537.jpg?itok=zffVb373)
Beam Me Up!
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This is a quick activity (on page 2 of the PDF under Stained Glass Activity) about the "Tyndall effect," the scattering of visible light when it hits very small dispersed particles.
What's So Special about Water: Absorption
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In this activity about water's cohesive and adhesive properties and why water molecules are attracted to each other, learners test if objects repel or absorb water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-834.png?itok=Bsxh1TML)
Chemistry in the Kitchen
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In this kitchen chemistry activity, learners explore the chemistry of crystals by making sugar crystals, consider a common chemical reaction type responsible for the rising of muffins and cake in the
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Do Plants Need Light?
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In this food science activity, learners conduct an experiment that demonstrates the importance of light to plants.
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Make Your Own Batteries!
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This activity (on page 3 of the PDF under GPS: Body Electricity Activity) is a full inquiry investigation into conductivity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-412.jpg?itok=aenbXsCu)
That's the Way the Ball Bounces: Level 1
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In this activity, learners prepare four polymer elastomers and then compare their physical properties, such as texture, color, size, and bounce height.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-264.jpg?itok=Vzcbjb7d)
Full of Hot Air: Hot Air Balloon Building
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In this activity, learners create a model of a hot air balloon using tissue paper and a hairdryer. Educators can use this activity to introduce learners to density and its role in why things float.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-798.png?itok=IKCcV01K)
Cook Up a Comet
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In this activity (on page 5 of PDF), learners use dry ice and household materials to make scientifically accurate models of comets.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-400.jpg?itok=vRitopvu)
Edible Glass
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In this activity, learners discover the principles of edible glass by making a supersaturated sugar solution.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-162.jpg?itok=oVUkgi9_)
Candy Chemosynthesis
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In this activity, groups of learners work together to create edible models of chemicals involved in autotrophic nutrition.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-415.jpg?itok=isZ2wcuK)
That's the Way the Ball Bounces: Level 2
Source Institutions
In this activity, learners prepare four polymer elastomers and then compare their physical properties, such as texture, color, volume, density, and bounce height.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-199.jpg?itok=BJeWanRW)
Disappearing Crystals
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Learners experiment with water gel crystals, or sodium polyacrylate crystals, which absorb hundreds of times their weight in water. When in pure water, the water gel crystals cannot be seen.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-309.gif?itok=QJgLMnCB)
Liesegang Rings
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This display shows slow chemical reactions in colorful crystal formations known as Liesegang Rings. These reactions are similar to those forming the rings in agates.
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Chemical Methods of Control
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In this lab, learners evaluate the relative effectiveness of various chemical substances (i.e. garlic powder, bathroom cleaner, mouthwash, etc.) as antimicrobial agents.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-644.jpg?itok=nExLX9hb)
Biochemistry Happens Inside of You!
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In this four-part activity, learners explore how the body works and the chemistry that happens inside living things.