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Showing results 1481 to 1500 of 1508

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In this activity and/or demonstration, learners illustrate visually and physically that air has weight. Learners balance two equally-inflated balloons hanging from string on a yard stick.

1 cent - $1 per group Ages 8 - 18 5 to 10 minutes
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In this online activity, learners experience the thrill of pickle making, and explore how a cucumber becomes a pickle.

free Ages 6 - 14 5 to 10 minutes
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In this challenge, learners make a helium balloon hover in one spot and then move it through an obstacle course using air currents.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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In this design challenge activity, learners add headphones to a previously built instrument (see "Build a Band" activity) to make it easier to hear.

$5 - $10 per student Ages 8 - 14 45 to 60 minutes
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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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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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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 observe the hydrologic cycle in action as water evaporates and condenses to form rain right before their eyes.

1 cent - $1 per group Ages 4 - 14 10 to 30 minutes
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In this experiment, learners examine the way oil affects bird feathers and test different cleanup methods to find out which works best.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes
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In this activity, learners use basic measurements of the Earth and pieces of rock and iron to estimate the mass of the Earth.

free Ages 14 - 18 45 to 60 minutes
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In this activity related to plant biotechnology, learners use restriction enzymes to cut up DNA from a virus called Bacteriophage λ, a process known as restriction digestion.

Over $20 per group Ages 11 - adult 1 to 7 days
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In this activity, learners use gelatin as a lens to investigate the properties of laser light.

$5 - $10 per student Ages 8 - 18 5 to 10 minutes
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In this quick activity (page 1 of the PDF under SciGirls Activity: California Fish), learners will build a simple Cartesian Diver in an empty 2-liter bottle.

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners create their own icons for a forecast-at-a-glance poster for their classroom/learning space.

$1 - $5 per group Ages 4 - 11 10 to 30 minutes
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In this outdoor water activity, learners explore how to change the direction of water flow. Learners make puddles in dirt or use existing puddles and sticks to make water flow.

$1 - $5 per group Ages 4 - 6 45 to 60 minutes
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Spin a short piece of PVC pipe that's been marked up, and watch a triangle appear. Enjoy this optical illusion from the Exploratorium's Science Snack series.

free Ages 4 - 18 5 to 10 minutes
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In this activity, learners explore the engineering and principles behind working elevators.

$5 - $10 per group Ages 11 - 18 2 to 4 hours