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Showing results 1441 to 1460 of 2051

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In this activity, learners determine the elastic and plastic properties of different types of metal wires.

$1 - $5 per group Ages 14 - adult 45 to 60 minutes
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Do grapes, yes the grapes from the grocery store, move in the presence of a very strong magnet?

1 cent - $1 per student Ages 8 - 18 5 to 10 minutes
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Choose a recipe to double (or triple, quadruple, or halve). Show everyone the recipe and engage them in figuring out: How much will we need to increase the recipe to feed everyone?

1 cent - $1 per group Ages 4 - 14 30 to 45 minutes
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This Exploratorium activity explores size and scale. Through four levels of screen sizes, learners can sort out objects of different sizes.

$1 - $5 per student Ages 6 - 14 5 to 10 minutes
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Get all wrapped up in a lesson about skin!

$1 - $5 per group Ages 11 - 18 45 to 60 minutes
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Learners take a field trip along a local body of water and conduct a visual survey to discover information about local land use and water quality.

$10 - $20 per group Ages 11 - 18 1 to 2 hours
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In this activity, learners compare ways to measure their heart rates. Learners build their own stethoscopes and learn how exercise affects heart rate.

$5 - $10 per group Ages 8 - 14 1 to 2 hours
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In this optics activity, learners explore interference by adding wax blocks to a ripple tank.

$1 - $5 per student Ages 14 - adult 5 to 10 minutes
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In this activity, learners create a model using metric measuring tapes and atmosphere composition data.

$1 - $5 per group Ages 11 - 18 45 to 60 minutes
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In this activity, learners will investigate the impacts of harmful phytoplankton using NOAA's Coastal Services Center Harmful Algal Bloom Forecasting (HABF) Project data.

free Ages 14 - 18 1 to 2 hours
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In this quick activity, learners observe how wind creates ocean currents.

$1 - $5 per group Ages 6 - 14 5 to 10 minutes
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In this activity, learners design a crushing test and discover that identifying and controlling the variables may be difficult.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners build a recording timer made from simple materials (e.g., small dc motor, sharpie pen, craft sticks, adding machine paper tape, etc.).

Over $20 per group Ages 14 - 18 1 to 2 hours
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In this activity, PVC pipe, plastic water bottles and vinyl tubing are used to make a simple working toilet model. The model shows the role of a siphon in the flushing of a toilet.

$10 - $20 per group Ages 8 - 18
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In this activity, learners observe, explore and investigate vibrating instruments in everyday places and create music in unique ways.

$1 - $5 per group Ages 4 - 8 5 to 10 minutes
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In this two-part activity, learners explore the properties of liquid crystals, which are responsible for why mood rings change color.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this activity/demonstration, learners observe what happens when two ping pong balls are suspended in the air by a hair dryer. Use this activity to demonstrate how rain drops grow by coalescence.

free Ages 6 - 14 Under 5 minutes
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This lesson challenges groups of learners to design and construct a wind generator with the most electrical output.

$10 - $20 per group Ages 11 - 14 2 to 4 hours
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In this activity, learners build small indoor paper rockets, determine their flight stability, and launch them by blowing air through a drinking straw.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
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The objective of this inquiry-based lesson is for learners to gain an understanding of how increasing ocean acidity can affect the calcification of marine organisms.

Over $20 per group Ages 14 - adult 2 to 4 hours