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Finding the Size of the Sun and Moon
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In this activity, learners build a simple pinhole viewer. They use this apparatus to project images from a variety of light sources, including a candle, the Sun, and the Moon.
Simple Spinner
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In this activity, learners create a tiny electric, motorized dancer. Learners use the interactions of magnetism and electric current to make a wire spin, while displaying the Lorentz Force in action.
Where the Buffalo Roam
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In this activity, learners explore the Great Plains.
Zany Zen Garden
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In this activity, learners will turn an ordinary tray of sand into a desk-top garden for meditation.
Benham's Disk
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In this activity, learners make a Benham Top to explore visual illusions and optics.
Rubber Band Car
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In this design challenge activity, learners build a car that can travel at least four feet using rubber band power and use the design process to debug problems.
Butter Up
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In this activity, learners will discover how to make butter from scratch. One optional tips includes adding marbles to speed up the process.
CD Spectrometer
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In this activity, learners use a compact disc to make a spectrometer, an instrument used to measure properties of light.
Using Color to See How Liquids Combine
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Learners add different liquids (water, salt water, alcohol, and detergent solution) to water and observe the different ways the different liquids combine with water.
Bird Feeders
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In this activity, learners build a bird feeder or feeders to attract birds for observation.
Carbon Cycle Roleplay
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In this creative roleplay activity, learners will explore the various processes of the carbon cycle using movement and props to aid in comprehension.
Cave in a Cup
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In this activity (page 2 of PDF under GPS: Cave Swallows Activity), learners will model how caves are formed by placing one piece of chalk in a cup of vinegar and another piece in a cup of water, then
Sensory Hi-Lo Hunt
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In this outdoor activity, learners use only their senses to to find the extremes of several environmental variables or physical factors: wind, temperature, light, slope and moisture.
Breaking Beams
Learners investigate stress and strain by designing, building, and testing beams made from polymer clay.
Exploring Bouncing Balls
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Learners explore the physical properties of a variety of balls and how they bounce.
M&M's in Different Sugar Solutions
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In this activity, learners investigate whether having sugar already dissolved in water affects the speed of dissolving and the movement of sugar and color through the water.
Scented Dough
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In this activity, learners follow a recipe to create play dough scented with fruit-flavored drink mix.
Cycles in the Cards
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In this "game," learners explore and relate the evolution of stars to a Navajo creation story. The story is written on a series of cards, which are laid on a table as the story is told.
Charge and Carry
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In this activity about electricity, learners produce a spark that they can feel, see, and hear. Learners rub a Styrofoam plate with wool to give it an electric charge.
Draw Your Nervous System
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In this activity, learners work together to create a life-sized drawing of the human nervous system.