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Showing results 81 to 100 of 146

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In this activity (on page 2), one person "programs" the other like a robot to move through a space, trying to get them to avoid obstacles and reach a goal.

1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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This activity (on pages 21-32 of PDF) has learners act out several classic brain teasers.

1 cent - $1 per student Ages 8 - 14 10 to 30 minutes
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In this activity, learners will estimate how many seeds are in a fruit or vegetable, then count to find out. The result: mix estimation with healthy eating.

1 cent - $1 per group Ages 4 - 14 10 to 30 minutes
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Learners act as engineers and design mini submarines that move in the water like real submarines.

1 cent - $1 per student Ages 8 - 14 10 to 30 minutes
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In this activity, learners will use static elecricity to bend a stream of water without touching it. Learners will explore physics and cause and effect through this activity.

1 cent - $1 per student Ages 4 - 14 10 to 30 minutes
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In this activity, learners are challenged to design and construct a trophy for prize-winning sports equipment.

$5 - $10 per group Ages 8 - 18 10 to 30 minutes
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With a bit of PVC, a laser, a can/cup, and a small mirror, you can make a device that visualizes you voice or any sound transmitted into the cup/can.

free Ages 8 - adult 10 to 30 minutes
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Scientists use enormous wind tunnels to test the design of planes, helicopters, even the Space Shuttle.

$5 - $10 per group Ages 6 - 14 10 to 30 minutes
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Electrolysis is the breakdown of water into hydrogen and oxygen. This Exploratorium activity allows learners to visualize the process with an acid-based indicator.

$1 - $5 per student Ages 8 - 18 10 to 30 minutes
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In this activity, learners explore the gait of horses by constructing flipbooks with British photographer Eadweard Muybridge's famous photographs.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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In this activity, learners play with surprising sand that doesn’t get wet! Learners explore how water behaves differently when it comes in contact with "magic sand" and regular sand.

$10 - $20 per group Ages 4 - adult 10 to 30 minutes
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As learners play this challenging strategy game, they build understanding of area and perimeter. On each turn, a player draws a line between two dots next to each other on the grid.

free Ages 8 - 14 10 to 30 minutes
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In this activity on page 1 of the PDF, learners compare the relative sizes of biological objects (like DNA and bacteria) that can't be seen by the naked eye.

free Ages 8 - 18 10 to 30 minutes
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The goal of this activity is to build a miniature bobsled that is either the fastest or the slowest. Learners use recycled materials to design, build, and test their bobsled on a bobsled track.

$5 - $10 per group Ages 6 - 18 10 to 30 minutes
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Learners create an Incan counting device called a quipu (pronounced kee-poo).

1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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This strategy game has simple rules but can be a challenge. Players start with an empty hexagonal grid. On each turn, a player initials one empty hexagon on the grid.

free Ages 8 - 14 10 to 30 minutes
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In this physics related activity which requires adult supervision, learners make their own powerful water rocket and, with it, explore Newton's Third Law of Motion.

$1 - $5 per student Ages 6 - 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 (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
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Learners write a message in Braille using beans to form the patterns of dots. Learners glue beans in place, and then challenge another learner to read the message.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes