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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.
Dunking the Planets
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In this demonstration, learners compare the relative sizes and masses of scale models of the planets as represented by fruits and other foods.
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.
Get-Moving Game
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In this invention challenge activity, learners create an indoor game for one or two people that gets you moving.
Poking Around: Having Students Experience the Real Process of Science
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Using indirect methods, learners determine the shape and size of a piece of carpet hidden under a piece of plywood.
Exploring How Robots Move
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In this activity, learners explore how pneumatics and hydraulics could be used to produce movement in a robotic arm.
Guar Gum Slime
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In this activity, learners create a gelatinous slime using guar gum powder and borax. Educators can use this simple activity to introduce learners to colloids.
Glow Up
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In this activity, learners explore chemiluminescence and fluorescence. Learners examine 3 different solutions in regular light, in the dark with added bleach solution, and under a black light.
Experiment with Fat
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In this nutrition/food science activity, learners conduct an experiment and record data to compare the amount of fat in different foods.
Earth Attractions
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In this activity, learners build and test a compass. Learners work in pairs and pretend they are stuck in the wilderness at night.
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.
Kinetic Sculpture
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In this design challenge activity, learners build a tower that’s at least 12 inches high with two or more parts that move (spin, sway, or flap) in the wind.
Build a Coral Polyp
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In this activity, learners build one or more edible coral polyps and place them together to form a colony.
Metallophone
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In this activity, learners explore sound by constructing an instrument using some metal pipes, rubber bands, and a baseboard.
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.
Gearing up with Robots
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In this activity, learners experiment with gear motion to understand how gears work to change the amount of force, speed, or direction of motion in machines.
COSI's Flubber Recipe
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Everybody loves messy science, and Flubber is a favorite of both COSI employees and guests!
The Carbon Cycle Game
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In this activity, learners take on the role of a carbon atom and record which reservoirs in the carbon cycle they visit.
Illuminating Luminescence
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In this activity, learners compare and contrast different forms of luminescence by observing how chemiluminescence, phosphorescence, and fluorescence produce or emit light.
Cake by Conduction
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In this demonstration, cook a cake using the heat produced when the cake batter conducts an electric current.