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Showing results 861 to 880 of 1888

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In this hands-on activity (on page 2 of the PDF), learners experiment with lemon juice and paper to create a message that can only be revealed using chemistry.

1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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In this activity about the relationship between food and energy (page 1 of PDF), learners observe and quantify the growth of yeast when it is given table sugar as a food source.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners explore sound by constructing an instrument using some metal pipes, rubber bands, and a baseboard.

$10 - $20 per student Ages 6 - 11 30 to 45 minutes
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Learners design, build, and test models of "dragon boats" made from up to three milk cartons.

$5 - $10 per group Ages 4 - 14 30 to 45 minutes
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In this activity, learners explore an everyday situation, where either of two or more buttons can ring a buzzer.

$5 - $10 per group Ages 8 - 14 1 to 2 hours
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Using household materials, learners can make white gooey globs from clear solutions. Alum, dissolved in water, reacts with the hydroxide in ammonia to create aluminum hydroxide.

1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
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In this activity, learners explore the many uses of periscopes and how this simple device was designed and is used in many applications.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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The demonstration/experiment provides quick proof that air has mass.

$1 - $5 per group Ages 8 - 14 5 to 10 minutes
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In this activity, learners with explore the gases present in air. They will then build their own wind cannons and challenge family and friends to a friendly competition.

1 cent - $1 per student Ages 4 - 14 10 to 30 minutes
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During this hands-on activity, learners are briefly exposed to moviemaking and animation, when they create their own thaumatropes.

1 cent - $1 per group Ages 6 - 11 10 to 30 minutes
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In this hands-on activity, children create their own kites that can fly indoors. Learners are exposed to basic concepts of gravity and air resistance.

$1 - $5 per student Ages 6 - 11 10 to 30 minutes
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In this activity (page 2 of PDF under GPS: Kinetic Sculpture Challenge Activity), learners will predict which objects have to overcome the most static friction to slide down a ramp.

free Ages 8 - 14 30 to 45 minutes
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Make a model city happier with LEDs, circuits, motors, and batteries! Groups can think, discuss, design, and build what would make a community happy. Kids can work as part of a team or on their own.

$1 - $5 per student Ages 8 - adult 30 to 45 minutes
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This is an activity about circular motion. Learners will explore the laws of motion and force by observing circular motion.

1 cent - $1 per student Ages 8 - 14 10 to 30 minutes
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In this two part activity, learners work in pairs or individually to discover how vectoring the thrust from a jet engine affects movement of an airplane.

$1 - $5 per student Ages 8 - 14 45 to 60 minutes
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In this yummy chemistry activity which requires adult supervision, learners use sugar and water to explore how crystals form.

1 cent - $1 per student Ages 6 - 18 1 to 7 days
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"Nature of Dye" allows participants to create their own dyes and art while exploring how chemicals interact and how these interactions can have real-world applications.

Over $20 per group Ages 6 - adult 10 to 30 minutes
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In this activity, learners explore how engineers develop pipeline systems to transport oil, water, gas, and other materials over very long distances.

$10 - $20 per group Ages 8 - 18 2 to 4 hours
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In this activity (located on page 2), learners will construct tiny model geysers out of film canisters, warm water, and antacid seltzer tablets.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
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In this activity, learners explore the design of rubber band powered cars. Learners work in teams of "engineers" to design and build their own rubber band cars out of everyday items.

$5 - $10 per group Ages 8 - 18 1 to 2 hours