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Showing results 161 to 180 of 528

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In this activity (on the left side of page 5, continued on the right side of page 4 of the PDF), learners make models of colorful butterflies.

1 cent - $1 per student Ages 4 - 6 10 to 30 minutes
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In this activity, learners imitate the way vocal cords work by building a model from a plastic cup, rubber band, and a straw.

1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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In this activity, learners create a toy that demonstrates the First Law of Thermodynamics or the Law of Conservation of Energy.

1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
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In this simulation of synapses, learners act out communication at the neural level by behaving as pre-synaptic vesicles, neurotransmitters, post-synaptic receptors, secondary messengers and re-uptake

1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
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Learners construct and launch paper helicopters.

1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
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Learners use their knowledge of color changes with red cabbage indicator to neutralize an acidic solution with a base and then neutralize a basic solution with an acid.

1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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In this activity, learners will explore the physics of liquids and gas by playing with both! Learners of any age use their own breath to move drops of water across a smooth wax paper surface.

1 cent - $1 per group Ages 4 - adult 5 to 10 minutes
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In "Exploring the Solar System: Stomp Rockets," participants learn about how some rockets carry science tools—not scientists—into space, and how a special kind of rocket called "sounding rockets" can

1 cent - $1 per student Ages 6 - 14 5 to 10 minutes
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Build a glider that uses the same physics as a curve ball, for less than a dime.

1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
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In this activity, learners discover that two pendulums suspended from a common support will swing back and forth in intriguing patterns, if the support allows the motion of one pendulum to influence t

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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In this simulation, learners explore how ocean currents spread all kinds of pollution—including oil spills, sewage, pesticides and factory waste—far beyond where the pollution originates.

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners will create their own simple shadow puppets, and experiment with light and shadow while playing with them.

1 cent - $1 per student Ages 6 - adult 10 to 30 minutes
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In this activity, learners explore and compare the buoyant properties of materials found in nature and in human-made materials.

1 cent - $1 per group Ages 4 - adult
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This is an activity about motion, power, air and Newton’s Third Law of Motion, which states that for every action there is an equal and opposite reaction.

1 cent - $1 per student Ages 4 - 11 10 to 30 minutes
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In this activity about osmosis, learners use a naked egg (one with a dissolved eggshell) to learn about selectively permeable membranes.

1 cent - $1 per student Ages 11 - 18 10 to 30 minutes
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In this activity about living things and gravity (page 5 of PDF), learners design and build an exoskeleton or an endoskeleton for an animal of their own invention.

1 cent - $1 per group Ages 6 - 11 1 to 2 hours
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In this activity, learners work in pairs to conduct a series of experiments using a balloon, drinking straw, and paper.

1 cent - $1 per student Ages 8 - 11 10 to 30 minutes
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In this activity about humans and space travel (page 1 of PDF), learners compare and contrast the behavior of a water-filled plastic bag, both outside and inside of a container of water.

1 cent - $1 per group Ages 6 - 11 45 to 60 minutes
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Learners build a model of a pollution control device--a cyclone. A cyclone works by whirling the polluted air in a circle and accumulating particles on the edges of the container.

1 cent - $1 per student Ages 8 - 14 10 to 30 minutes
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In this chemistry activity, learners observe a combustion reaction and deduce the components necessary for the reaction to occur.

1 cent - $1 per group Ages 11 - 18 5 to 10 minutes