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The Thousand-Yard Model
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This is a classic exercise for visualizing the scale of the Solar System.
Are you a Supertaster?
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In this activity, learners examine their tongue and taste buds.
Growing Rock Candy
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In this activity, learners make their own rock candy. Crystals will grow from a piece of string hanging in a cup of sugar water. The edible crystals may take up to a week to form.
Why is the Sky Blue?
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In this activity, learners create a "mini sky" in a glass of water in a dark room.
Clogged Arteries
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In this activity, learners explore how eating unhealthy food can damage a heart and arteries.
The Jelly Bean Problem (JBP)
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In this activity, learners are challenged to eat some candy as a cell would need to as well as to think about some of the problems that arise when a cell ingests food.
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.
Making Naked Eggs: Eggs Without Shells
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This is an activity about acid-base reactions using eggs and vinegar. Learners place eggs inside a container of vinegar and leave to soak overnight.
Three Bean Salads
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This game teaches ratio and proportion by having learners make "salads" that combine three types of beans in different combinations.
Ziploc Digestion Simulator
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In this biology activity, learners recreate the process of digestion in a zip lock bag. A bit of soda pop added to some crumbled crackers approximates how acids in the stomach dissolve food.
Egg-stra Strength
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In this physics activity, learners will investigate the strength of egg shells.
Soggy Science, Shaken Beans
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Learners explore soybeans, soak them in water to remove their coat, and then split them open to look inside. They also make a musical shaker out of paper cups, a cardboard tube, and soybeans.
Dissolving a Substance in Different Liquids
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In this activity, learners make colored sugar and add it to water, alcohol, and oil to discover some interesting differences in dissolving.
Dancing Cereal
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In this quick activity (on page 2 of the PDF under GPS: Body Electricity Activity), learners will observe how dry breakfast cereal appears to dance when it gets close to a balloon charged with static
Dissolving Different Liquids in Water
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In this activity, learners add different liquids to water and apply their working definition of “dissolving” to their observations.
Bubble Bomb
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Learn about chemical reactions by making a Bubble Bomb, a plastic bag you can pop with the power of fizz.
Comparing the Amount of Acid in Different Solutions
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In this activity, learners use detergent solution to compare two solutions containing vinegar and cream of tartar.
Plant Parts You Eat
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In this food science activity, learners observe different plant-originated foods.
Try Growing Your Own Mold
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This is a hands-on activity that uses bread and household materials to grow mold. Learners collect dust from a room, wipe it on food, and contain it. One to seven days later, mold has grown.
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.