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Showing results 661 to 680 of 1505

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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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This highly visual model demonstrates the atomic theory of matter which states that a gas is made up of tiny particles of atoms that are in constant motion, smashing into each other.

$10 - $20 per group Ages 8 - 14 10 to 30 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 investigate soil erosion. Learners set up a simulation to observe how water can change the land and move nutrients from one place to another.

$1 - $5 per student Ages 6 - 11 10 to 30 minutes
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In this activity, learners explore static electricity and electrical charges while experimenting with an inflated balloon, unflavored gelatin powder, and a wool sweater.

$1 - $5 per student Ages 6 - 11 Under 5 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 mix water, cooking oil, and liquid food coloring to create beautiful colored designs in a cup. Use this activity to explore liquid density and solubility.

$1 - $5 per student Ages 6 - 11 5 to 10 minutes
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In this delicious activity, learners get to make, taste-test and compare their own "brands" of homemade strawberry ice cream.

$1 - $5 per student Ages 6 - 11 45 to 60 minutes
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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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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 international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.

free Ages 4 - adult 10 to 30 minutes
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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, learners construct a device that allows them to look over ledges or around corners.

$5 - $10 per student Ages 6 - 11 45 to 60 minutes
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In this activity, learners conduct three experiments to examine temperature, the different stages of the water cycle, and how convection creates wind.

$1 - $5 per group Ages 4 - 11 45 to 60 minutes
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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, learners explore how hot and cold water move. Learners observe that temperature and density affect how liquids rise and fall.

$1 - $5 per student Ages 4 - 11 45 to 60 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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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