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Showing results 821 to 840 of 1028

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In this math activity, learners observe and sketch cracking patterns in pavement.

1 cent - $1 per student Ages 11 - 18 10 to 30 minutes
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In this activity, learners interact with whale artifacts such as replicas of skulls, bones, teeth, and baleen (hair-like plates that form a feeding filter).

Over $20 per group Ages 4 - adult 10 to 30 minutes
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In this activity, learners create and experiment with wind tubes. These tubes are a playful and inventive way to explore the effect that moving air has on objects.

Over $20 per group Ages 4 - adult 1 to 2 hours
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Visitors use heat to shrink samples of polystyrene. They compare samples from containers that were shaped in different ways during manufacturing.

$1 - $5 per group Ages 6 - adult Under 5 minutes
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In this activity, learners use a laser pointer to project a microscopic image of a liquid sample suspended from the tip of a syringe.

Over $20 per group Ages 14 - adult 30 to 45 minutes
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Visitors incrementally increase the amount of iodate in three different test tubes containing the same amount of a starch solution.

$1 - $5 per group Ages 6 - adult Under 5 minutes
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In this activity, learners use molecular model kits to construct familiar molecules like lactose, caffeine, and Aspirin.

Over $20 per student Ages 11 - adult 30 to 45 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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Learners make a mobile model of a carbon atom using clay, wire, and pipe cleaners.

$1 - $5 per student Ages 8 - 18 30 to 45 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 will explore vegetative propagation while preparing food scraps to grow into plants.

$1 - $5 per group Ages 8 - 18 1 to 7 days
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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
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In this activity, learners light an LED with five cents. Learners use two different metals and some sour, salty water to create a cheap battery.

1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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This laboratory exercise is designed to show learners how DNA can easily be extracted from yeast using simple materials.

$5 - $10 per group Ages 11 - 18 45 to 60 minutes
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In this activity, learners explore how engineering has impacted the development of bridges over time, including innovative designs and the challenge of creating bridges that become landmarks for a cit

$1 - $5 per group Ages 8 - 18 1 to 2 hours
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In this activity (on pages 20-23 of PDF), learners build a model of a power plant using simple materials.

$1 - $5 per student Ages 11 - 18 45 to 60 minutes
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In this activity, learners use Teflon (PTFE) tape to write secret messages.

$1 - $5 per student Ages 6 - 18 10 to 30 minutes
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In this activity, learners build a slide whistle using PVC pipe, bamboo skewer, and piece of foam. Construction of the instrument is relatively simple.

$1 - $5 per student Ages 6 - 18 10 to 30 minutes