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Showing results 721 to 740 of 1061

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In this online game, learners attempt to send a rocket ship to various targets. Learners can adjust the angle and thrust of the rocket before it is launched.

free Ages 8 - 11 10 to 30 minutes
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In this online Flash game, learners take to the skies in a hot air balloon and are challenged to beat other balloonists' times to the finish line without crashing.

free Ages 6 - 14 5 to 10 minutes
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The demonstration/experiment provides quick proof that air has mass.

$1 - $5 per group Ages 8 - 14 5 to 10 minutes
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In this activity, learners will first learn the basics of galaxy classification and grouping.

free Ages 14 - 18 30 to 45 minutes
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In this activity, learners explore density, convection, stratification, and, by inference, the melting of icebergs. Learners make hypotheses, test their hypotheses, and explain their observations.

1 cent - $1 per group Ages 11 - 18 30 to 45 minutes
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In this activity, learners test the Law of Reflection based on experimental evidence. Learners produce raw data and explanations based on their data: pencil tracings of incident and reflection rays.

$1 - $5 per group Ages 14 - 18 45 to 60 minutes
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In this activity (located on page 2), learners will construct tiny model geysers out of film canisters, warm water, and antacid seltzer tablets.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
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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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“Exploring the Universe: Orbiting Objects” is a hands-on activity that invites visitors to experiment with different sized and weighted balls on a stretchy fabric gravity well.

1 cent - $1 per student Ages 4 - 14 5 to 10 minutes
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In this experiment, learners will explore whether increased carbon dioxide makes our oceans more basic or more acidic.

$1 - $5 per student Ages 11 - 18 30 to 45 minutes
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In this activity, pairs of learners will create two make-believe dig sites by burying chicken bones in plaster of Paris--a powder that hardens when wet.

$5 - $10 per group Ages 8 - 14 2 to 4 hours
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A group of learners models the Sun shining on the Earth. By rotating the Earth, they demonstrate how the Sun only shines on a portion of the Earth at a time.

free Ages 8 - 11 10 to 30 minutes
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Learners will understand the relationship between climate change and sea-level rise.

$1 - $5 per group Ages 11 - 14 1 to 2 hours
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In this activity (located on page 5 of PDF), learners work in groups to create dig sites for display.

$10 - $20 per group Ages 6 - 11 30 to 45 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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This online simulation game explores the different consequences of water levels on the Columbia River in the Pacific Northwest.

free Ages 8 - 18 10 to 30 minutes
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In this activity, learners will create a diagram of the ocean zones and determine what organisms live in each zone.

$1 - $5 per group Ages 4 - 18 45 to 60 minutes
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In this activity, learners carry out a scientific investigation of dust in their classroom. Learners produce an analysis on graph paper of the dust they collect over the course of a few days.

$1 - $5 per group Ages 11 - 18 1 to 7 days
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In this activity, learners will explore paleontology and archaeology. They will learn about technique as they excavate raisins and chocolate chips from cookies.

$1 - $5 per student Ages 8 - 11 10 to 30 minutes
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In this activity, "space cadets" (learners) use writing and sequencing skills in addition to directional words/ordered pairs to guide Buzz Lightyear (from the movie "Toy Story") through a grid to reac

free Ages 8 - 14 10 to 30 minutes