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In this lesson, learners will practice graphing and statistically analyzing data.

free Ages 8 - 14 45 to 60 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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Learners tour their school or home looking for sources of indoor air pollutants (IAPs).

free Ages 8 - 14 45 to 60 minutes
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Learners draw pictures of how they envision scientists. By comparing and discussing the features in their pictures, they can discover common thoughts and stereotypes about scientists.

free Ages 8 - 11 10 to 30 minutes
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In this thought-provoking activity, learners plan a hypothetical project to build and operate wind turbines in their community.

free Ages 8 - 14 2 to 4 hours
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In this activity, learners will explore trends in shark populations using shark landing data from the National Marine Fisheries Service.

free Ages 14 - 18 45 to 60 minutes
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In this activity, learners will make cleaning up more fun with predictions and counting. Estimate how many things are on the floor (or table), then count as they are picked up.

free Ages 4 - 11 5 to 10 minutes
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In this activity, learners act as water molecules and travel through parts of the water cycle to discover that it is more complex than just water moving from the ground to the atmosphere.

free Ages 6 - 14 30 to 45 minutes
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In this activity, learners model a population of deer and see how the number of deer changes over time.

free Ages 11 - 18 10 to 30 minutes
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In this experiment, pairs of learners explore how cold water affects circulation. The mammalian diving reflex (MDR) slows circulation when the body is exposed to cold water.

free Ages 8 - 18 30 to 45 minutes
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In this quick activity (page 1 of PDF under SciGirls Activity: Kites), learners will witness firsthand the effects of Bernoulli’s Principle by capturing a ping pong ball in the stream of air created b

free Ages 8 - 14 10 to 30 minutes
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In this indoor or outdoor demonstration, use a large and small ball to illustrate conservation of energy and momentum.

free Ages 4 - adult Under 5 minutes
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In this demonstration, learners observe as two cola bottles and a dollar bill are arranged in a specific order: one bottle, upside down and filled with water, is placed on top of another bottle, with

free Ages 8 - 18 Under 5 minutes
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In this activity, learners estimate how much water they think can be found in various locations on the Earth in all its states (solid, liquid, and gas) to discover the different water ratios in the Ea

free Ages 6 - 14 10 to 30 minutes
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In this activity, learners create music from a series of bottles filed with water. Learners discover that the sound produced by each bottle depends on the amount of water in the bottle.

free Ages 4 - 11 10 to 30 minutes
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Learners explore their surroundings while reasoning about categories and counting.

free Ages 4 - 14 5 to 10 minutes
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This activity explores what it means for a computer to be intelligent and introduces the topic of what a computer program is and how everything computers do simply involves following instructions writ

free Ages 8 - adult 10 to 30 minutes
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Combine la lógica y los números en este juego para todas las edades.

free Ages 4 - 14 5 to 10 minutes
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In this activity (page 10 of the PDF) learners will explore the historical progression of siege weapons to gain an understanding of how the addition and modification of parts can change the efficiency

free Ages 14 - 18 2 to 4 hours
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This is an online exhibit about color perception. Learners set a random background color and then try to mix red, blue, and green light to match.

free Ages 6 - 18 5 to 10 minutes