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Build a Bubble Circuit
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In this engineering design challenge, learners make a bubble maze that allows bubbles to move through a series of “on” and “off” switches.

Wrap It Up!
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In this Energy and Environment activity (page 9 of the PDF), learners calculate the mass of a piece of gum, compare it to the mass of the gum's packaging, and then create a bar graph of the results.

Glow in the Dark Jello
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In this activity, learners will make homemade jello that glows under a blacklight. They will learn about quinine, an ingredient in tonic water that is fluorescent.

Recycle Your Own Paper!
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In this activity (page 2 of PDF under GPS: Garbology Activity), learners will prepare sheets of homemade recycled paper from several different source pulps.

DNA Extraction
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Learners use a simple process to extract DNA from strawberries.

Smell the Maillard Reaction
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In this activity, learners cook amino acids and sugar to explore the range of aromas released.

Shake It Up!
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Learners observe a sealed container holding a clear colorless liquid. They shake the container and the fluid turns blue. When allowed to sit for a few moments, the fluid turns colorless again.

Make a Light Fountain
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In this optics activity, learners make a "light fountain" from a clear plastic bottle, flashlight, and other simple materials.

Assembly Line
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In this activity, learners work individually to assemble a product and then work in teams to design, construct, test, and redesign an assembly line process whose product must meet specific quality con

Iron for Breakfast
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Did you know that some breakfast cereals are fortified with ferric phosphate, while others contain tiny pieces of reduced iron?

Where Does Life Live?
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In this activity (on pages 22-24 of the PDF), learners match extreme enviroments with life forms they support.

Exploring the Universe: Filtered Light
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"Exploring the Universe: Filtered Light" demonstrates how scientists can use telescopes and other tools to capture and filter different energies of light to study the universe.

Build a Big Wheel
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In this activity, learners explore how engineers have developed big wheels or Ferris wheels.

Lose a Glass in a Glass
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In this optics activity, learners use paint thinner to make a small jar seem to disappear inside a larger jar.

Can I Get Some Pi?
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In this activity, learners will explore pi and the mathematical relationships between a circle's diameter, circumference, and radius.

Hollandaise Sauce: Emulsion at Work
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In this activity, learners follow a recipe to make hollandaise sauce. Learners discover how cooks use egg yolks to blend oil and water together into a smooth mix.

Bend a Carrot
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In this activity, learners investigate the process of osmosis by adding salt to a sealed bag of raw carrots and comparing it to a control.

Reusable Rockets
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This activity (located on page 3 of the PDF under GPS: Garbology Activity) is a full inquiry investigation into design optimization using recycled materials.

Shaving Cream Marbling
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In this activity, learners will create beautiful greeting cards by marbling with shaving cream and food dye. They will explore the chemistry behind the art of marbling.

Symbol Search
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In this environmental activity (page 6 of the PDF), learners identify household products that are recyclable and explore the different types of recyclable plastics.