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Showing results 321 to 340 of 705

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In this activity, learners explore how rescue devices are designed to aid professionals during emergency situations.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners examine antibodies and antibody recognition using a model.

Over $20 per group Ages 11 - 14 45 to 60 minutes
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In this activity, learners explore how engineering has impacted the manufacturing of canoes over time, including the development of new, durable, and lighter materials.

Over $20 per group Ages 8 - 14 1 to 2 hours
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In this activity, learners discover that there is space between molecules even in a cup "full" of water. They first fill a cup with marbles, and then add sand to fill the gaps between the marbles.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes
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In this activity, learners carry out a scientific investigation of dust in their classroom. Learners produce an analysis on graph paper of the dust they collect over the course of a few days.

$1 - $5 per group Ages 11 - 18 1 to 7 days
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In this activity, learners explore how a hydraulic pump works. Learners work in teams to design and build a unique water fountain that employs a hydraulic pump.

$10 - $20 per group Ages 8 - 18 2 to 4 hours
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Learners work in groups to construct bridges using stale marshmallows and toothpicks.

$5 - $10 per group Ages 11 - 14 30 to 45 minutes
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In this activity, learners explore sports engineering and advanced materials development.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners explore the concept of how engineering solved the problem of human/computer interface.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this activity (on page 6 of the PDF), learners plot the path of the sun's apparent movement across the sky on two days, with the second day occurring two or three months after the first.

$1 - $5 per group Ages 8 - 14 1 to 7 days
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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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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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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 explore density, convection, stratification, and, by inference, the melting of icebergs. Learners make hypotheses, test their hypotheses, and explain their observations.

1 cent - $1 per group Ages 11 - 18 30 to 45 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 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, 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
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In this experiment, learners will explore whether increased carbon dioxide makes our oceans more basic or more acidic.

$1 - $5 per student Ages 11 - 18 30 to 45 minutes