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Onion DNA Extraction
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This laboratory exercise is designed to show learners how DNA can easily be extracted from onion cells using simple materials.

Exploring Fabrication: Gummy Capsules
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In this activity, learners make self-assembled polymer spheres.

Muscle Fibers
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In this activity about human anatomy (page 20 of PDF), learners investigate the structure of muscles by comparing yarn and cooked meat.

Scent Tag
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In this matchmaking activity (on page 2 of the PDF under GPS: Animal Scent Activity), learners will each have a scented cotton ball taped to their shoulder. The scent (e.g.

Fungus Among Us
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In this environmental health activity, learners grow and observe bread mold and other kinds of common fungi over the course of 3-7 days.

Everyday Poisons
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This reading and writing activity (on pages 2-9) teaches what plant parts should be avoided, how a person can get rid of toxins, symptoms of plant poisoning, and how plants create poisons to repel pre

Exploring Structures: DNA
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In this activity, learners create a necklace of wheat germ DNA. Learners add alcohol to wheat germ so that the DNA clumps together.

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.

Handy Family Tree
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In this bilingual (English/Spanish) activity, learners create family trees by tracing the hands of their family members.

Model Well
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In this quick activity about pollutants and groundwater (page 2 of PDF under Water Clean-up Activity), learners build a model well with a toilet paper tube.

Dinosaur Bone Experiments
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This activity features two connected hands-on activities about dinosaur bones.

The Variety and Roles of Microbes
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In this activity, learners use sets of cards to assign microorganisms to different groups.

Laser Jello
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In this activity, learners use gelatin as a lens to investigate the properties of laser light.

Cartesian Diver
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In this quick activity (page 1 of the PDF under SciGirls Activity: California Fish), learners will build a simple Cartesian Diver in an empty 2-liter bottle.

DNA Extraction
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In this activity related to plant biotechnology, learners extract DNA from fruit to investigate how it looks and feels.
Enhanced Water Taste Test
Learners conduct a "blind" taste-test of several types of enhanced or fitness water drinking water that has commercially added substances like vitamins, sugars, or herbs.

Making a Battery from a Potato
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In this electrochemistry activity, young learners and adult helpers create a battery from a potato to run a clock.

Inside DNA
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In this activity (on pages 34-39), learners make a fairly detailed model of DNA using licorice and gumdrops.

Protect That BRAIN!: Mr. Egghead
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This activity demonstrates the importance of wearing a helmet to protect the brain. An egg is used to symbolize a head with the shell as the skull and the inside of the egg as the brain.

Invisible Ink
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In this simple chemistry activity (page 1 of PDF under SciGirls Activity: Colorblind Dogs) about acids and bases, learners will mix a baking soda and water solution and use it to paint a message on a