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Showing results 341 to 360 of 551

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In this activity, learners use tsunami time travel maps to predict how long it will take a tsunami to reach the shore.

free Ages 14 - adult 1 to 2 hours
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Focus sound through a balloon! In this Exploratorium activity, you'll use dry ice to create a balloon that's a sound lens.

$1 - $5 per student Ages 6 - adult 5 to 10 minutes
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In this activity, learners use three types of cheesy snacks--cheese balls, cheese puffs, and Cheetos--to learn about polymers.

$5 - $10 per group Ages 14 - adult 30 to 45 minutes
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In this hands-on activity, learners make the world's simplest Cartesian diver, using only a plastic bottle, some water, and a condiment packet.

free Ages 6 - adult 5 to 10 minutes
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In this activity, leaners will observe the process of natural selection on a population of birds called 'Springbeaks' over four seasons of breeding on an isolated environment called 'Clippy Island.' L

$10 - $20 per group Ages 11 - adult 45 to 60 minutes
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Learners make their own simple slide rules out of paper and learn how they work.

1 cent - $1 per group Ages 8 - adult 10 to 30 minutes
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This simple and engaging astronomy activity explains nuclear fusion and how radiation is generated by stars, using marshmallows as a model.

$1 - $5 per group Ages 8 - adult 5 to 10 minutes
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This fun, nighttime hands-on astronomy activity lets learners explore how long it takes for light from different objects in the universe to reach Earth.

1 cent - $1 per group Ages 8 - adult 1 to 2 hours
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In this guided discussion activity, learners watch a video about Central Africa's Lower Congo River, one of the most biologically diverse rivers in the world.

free Ages 11 - adult 10 to 30 minutes
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This fun astronomy activity allows learners to experience finding stars in the night sky that will eventually go supernova. This activity is perfect for a star party outdoors.

1 cent - $1 per group Ages 8 - adult 10 to 30 minutes
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This experiment allows learners to experience a small scale "epidemic," demonstrating the ease with which disease organisms are spread, and enables learners to determine the originator of the "epidemi

Over $20 per group Ages 14 - adult 4 to 24 hours
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Why does milk make some people sick? In this activity learners explore this question and explore the chemistry of milk, and our bodies!

$5 - $10 per group Ages 14 - adult 45 to 60 minutes
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In this activity, learners explore how the application of nano-sized "whiskers" can protect clothing from stains.

Over $20 per group Ages 4 - adult 5 to 10 minutes
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Learners explore the endless possibilities of cardboard engineering in this open-ended STEAM activity. Practice being creative by building structures with no glue, only cardboard and scissors.

free Ages 4 - adult 10 to 30 minutes
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This is part 3 of the three-part "Crayon Rock Cycle" activity. Before starting this section, learners must have completed part 1: sedimentary rock and part 2: metamorphic rocks.

$5 - $10 per student Ages 4 - adult 10 to 30 minutes
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In this activity, learners play a card game that explores different size scales--macro, micro and nano.

1 cent - $1 per group Ages 4 - adult 5 to 10 minutes
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In this activity, learners create models of ionic compounds and observe the chemical formula of binary molecules they have created.

free Ages 14 - adult 1 to 2 hours
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Most of the time, we don't have to think about breathing. In fact, you're probably breathing right now without thinking about it!

$1 - $5 per student Ages 8 - adult 10 to 30 minutes
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Our bodies produce snot, or mucus, that we blow from our noses. In this activity, learners will create a model of how snot works and will explore how it keeps our bodies healthy.

Ages 8 - adult 10 to 30 minutes
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In this activity, learners construct a home-made journal with simple, everyday materials.

1 cent - $1 per group Ages 4 - adult 10 to 30 minutes