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Showing results 441 to 460 of 705

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In this activity, learners work in groups of four to explore light. Learners create new colors from the primary colors of light from flashlights covered in theatrical gels or cellophane.

$5 - $10 per group Ages 8 - 14 10 to 30 minutes
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By tossing, collecting, and sorting beanbags, learners understand how the IBEX spacecraft uses its sensors to detect and map the locations of particle types in the interstellar boundary.

Over $20 per group Ages 11 - 18 30 to 45 minutes
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Learners build a simple electromagnet, then use this electromagnet to transform a yogurt container into a working speaker. They can connect their speaker to a radio and listen as it transmits sound.

$1 - $5 per group Ages 11 - 14 45 to 60 minutes
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In this activity, learners observe the effect of transpiration as water is moved from the ground to the atmosphere.

1 cent - $1 per group Ages 6 - 14 2 to 4 hours
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An estuary is a body of water that is created when freshwater from rivers and streams flows into the saltwater of an ocean.

$10 - $20 per group Ages 8 - 18 1 to 4 weeks
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In this activity, learners extract DNA from a strawberry and discover that DNA is in the food they eat.

$1 - $5 per student Ages 11 - 14 45 to 60 minutes
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In this activity, learners build a toy that flies in circles. This activity introduces learners to center of mass, torque, and rotational motion.

$5 - $10 per student Ages 6 - 18 45 to 60 minutes
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In this activity, learners explore how boats are engineered to achieve speed.

Over $20 per group Ages 11 - 18 2 to 4 hours
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In this hands-on activity, learners will construct a scuba diver that can float in order to explore how sea creatures stay neutrally buoyant in the ocean and to see what kinds of forces might be influ

$5 - $10 per group Ages 11 - 14 30 to 45 minutes
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In this activity, learners perform an experiment that models a chromatography-like process called electrophoresis, a process used to analyze DNA.

1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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In this activity (on page 4), learners create a submarine using a plastic sandwich bag. This is a fun way to learn about buoyancy and how captured gas can cause objects to float.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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Learners examine what happens when a tube spins in two directions at once. They push on a cardboard tube causing it to spin along its length while at the same time turning from end-to-end.

1 cent - $1 per student Ages 11 - 14 10 to 30 minutes
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In this activity, learners explore how engineers design tire treads to increase safety and reliability.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this physics activity (page 8 of the PDF), learners will explore the concept of inertia by attempting to run and stop quickly.

1 cent - $1 per group Ages 11 - 14 10 to 30 minutes
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In this activity, learners make mobiles to explore the concepts of balance, counterbalance, weight, and counterweight.

$5 - $10 per student Ages 6 - 14 10 to 30 minutes
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In this activity about how the body regulates blood pressure (page 117 of the PDF), learners make and compare measurements of heart rate and blood pressure from three body positions: sitting, standing

1 cent - $1 per group Ages 8 - 18 30 to 45 minutes
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In this archaeology activity, learners make observations and conduct an experiment to demonstrate the effect saltwater has on artifacts.

$10 - $20 per group Ages 8 - 14 1 to 7 days
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This neuroscience activity introduces learners to how messages are sent and received by neurons. Learners use modeling clay and pipe cleaners to build model neurons.

$1 - $5 per group Ages 11 - 14 45 to 60 minutes
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In this activity, learners identify different plastics in a mystery bag. Learners discover that plastics are classified #1 through #7.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this activity (on page 14 of PDF), learners use a pan full of flour and some rocks to create a moonscape.

$10 - $20 per group Ages 6 - adult 10 to 30 minutes