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Showing results 641 to 660 of 817

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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 explore how polarizing sunglasses can help diminish road glare.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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In this activity, learners slide shapes to create unusual tiled patterns.

1 cent - $1 per student Ages 8 - 11 30 to 45 minutes
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Each learner chews a piece of gum until it loses its flavor, and then leaves the gum to dry for several days.

$1 - $5 per group Ages 11 - 14 2 to 4 hours
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In this inquiry-based learning activity, learners design, build, and test their own ramps. They are introduced to a variety of materials and explore putting them together.

$5 - $10 per group Ages 4 - 8 45 to 60 minutes
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This activity lets learners participate in the process of reconstructing a phylogenetic tree and introduces them to several core bioinformatics concepts, particularly in relation to evolution.

1 cent - $1 per group Ages 8 - 18 30 to 45 minutes
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In this activity, learners work in partners to create and exchange messages written in Braille. Learners use a Braille key and thumbtacks to write their messages in Braille.

free Ages 8 - 14 10 to 30 minutes
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In this activity, learners will ask yes-no questions to identify a secret number (similar to Twenty Questions). Combine logic and numbers in this game for all ages.

free Ages 4 - 14 5 to 10 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, learners use their hands as tools for indirect measurement.

free Ages 11 - 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 activity, learners observe the moon each night for a month and draw their observations in a Moon Watch Log.

1 cent - $1 per student Ages 6 - 14 1 to 4 weeks
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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 and game, learners will train to improve balance and spatial awareness by performing throwing and catching techniques on one foot.

free Ages 8 - 14 1 to 4 weeks
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Walk a toy to the edge of its doom, maybe it'll fall off the edge of a table, but it will safely stop right before falling.

free Ages 6 - 14 Under 5 minutes
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Learners look at labels on items in the room to determine where each item was manufactured, then write about the item on an index card.

$1 - $5 per group Ages 8 - 11 30 to 45 minutes
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In this online version of the classic paper and pencil game, learners practice looking ahead to anticipate an opponent's move.

1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
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This activity aims to stimulate discussion on the question of whether computers can exhibit “intelligence,” or are ever likely to do so in the future.

free Ages 11 - 18 10 to 30 minutes
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In this activity, learners test different food items by timing how long it takes each liquid to slide from the top of a ramp to the bottom.

$5 - $10 per group Ages 6 - 11 10 to 30 minutes
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In this activity on page 13 of the PDF, use a special plastic card that has been painted with a chemical that changes color when it is in UV light.

$5 - $10 per student Ages 6 - 14 10 to 30 minutes