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Absorb & Repel
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In this activity, learners investigate how different materials repel or absorb water. Learners use spray bottles to explore how everyday items like sponges, cardboard, feathers, etc.
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Drying It Out
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In this activity, learners investigate and compare the rate of drying in different conditions.
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Separating with Chromatography
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In this experiment, learners separate different types of molecules in marker inks (using a technique called "thin layer chromatography").
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Traveling Through Different Liquids
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Learners observe and record what happens when they manipulate bottles containing a liquid (water or corn syrup) and one or more objects (screw, nail, paper clip).
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Electric Paddle Boat
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In this activity, learners build an electric two-paddle boat using paint paddles, plastic knives, and empty water bottles.
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Do the Mystery Samples Contain Life?
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In this activity (on pages 13-16 of the PDF) learners investigate three mystery samples to see which one contains life. The three samples are sand, sand and yeast, and sand and antacid.
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Habitat Adaptation Matchup
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In this activity, learners work in small groups to match various marine animals with their different environments.
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Plant Parts and Their Diseases
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This exercise is designed to teach young learners the different parts of a plant (root, stems, leaves, flowers, fruit, and seeds), the basic functions of each part, and to show that tiny microscopic o
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Parabola Basketball
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In this activity, learners build mini-basketball courts and explore the laws of physics. Learners discover that everything you throw or shoot on earth travels in a parabola.
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Cloud Fun
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Learners complete a series of hands-on and investigative activities to explore cumulus clouds.
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Clay Exploration
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In this activity, learners explore the possibilities of clay as a natural material.
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It's Natural
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This activity introduces learners to Native Americans as people who depended upon nature in the past and continue to emphasize the importance of nature in the present.
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Micro Automata
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In this activity, learners build small animated toys that move.
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Envirolopes
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In this outdoor activity and observation game, learners hunt for a variety of textures, colors, odors and evidence of organisms in the activity site.
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Hot Air Balloon
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In this activity, learners build a hot air balloon using just a few sheets of tissue paper and a hair dryer.
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As Straight as a Pole
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In this engineering activity (page 3 of PDF), young learners investigate how a pole can be made stable by “planting” its base in the ground or adding supports to the base.
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Caller ID: The Frog - and Toad! - Mating Game
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This activity is a sensory experience that recreates the sounds of a pond at night.
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Trash Traits
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In this activity on page 24, learners perform experiments to examine whether or not trash can float, blow around, or wash away.
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Motor Bird
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In this activity, learners build a bird that flies in place with help from a motor, wire, and some straws.
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Speedboat
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In this activity, learners build a speedboat using paint paddles, a propeller, and film canister. Learners attach a simple circuit and motor to the boat to power the propellers.