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In this chemistry activity (page 5 of the PDF), learners will see that chewing is more than just the crushing up of food; there is actually a chemical change going on at the same time.

1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
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In this physics activity (page 3 of the PDF), learners will see firsthand that air takes up space and has pressure by attempting to inflate a balloon inside of a bottle.

1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
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This activity is intended to familiarize learners with native Houston birds, introduce learners to tools biologists use in the field, and to enhance their observation skills.

1 cent - $1 per student Ages 6 - 11 30 to 45 minutes
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In this activity, learners will experiment with the physics of flight by making a gliding contraption with strange looking wings. The activity explores flight with connections to the natural world.

1 cent - $1 per student Ages 4 - 14 5 to 10 minutes
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In this math lesson, learners compare pattern blocks to visually understand halves, thirds, and sixths.

1 cent - $1 per group Ages 8 - 11 30 to 45 minutes
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In this game, learners match descriptions of marine debris (shoes, batteries, paper towels, etc.) to images of these items.

1 cent - $1 per group Ages 8 - adult 10 to 30 minutes
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In this activity, learners explore the importance of active play.

1 cent - $1 per group Ages 4 - 8
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In this physics activity, challenge learners to lift a book with just air using a plastic bag and a straw. This activity demonstrates compressed air and forces.

1 cent - $1 per student Ages 6 - 11 Under 5 minutes
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In this fun math activity (page 1 of the pdf), learners exercise the creative part of their brain by trying to describe a number without mentioning the actual number (for instance, the number 12 could

1 cent - $1 per student Ages 8 - 11 10 to 30 minutes
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Take the two-straw challenge and discover how pressure affects vacuums! In this activity, learners experiment with drinking through one and two straws, comparing the amount of liquid they can drink.

1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
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What's a more compelling problem to solve than being stranded on a deserted island?

1 cent - $1 per student Ages 6 - adult 30 to 45 minutes
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In this activity, learners discover that it is difficult to trace a curve by using its reflection in a mirror. Use this activity to discuss how the brain works.

1 cent - $1 per student Ages 6 - 18 5 to 10 minutes
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In this chemistry activity, learners witness an exothermic reaction, while making their very own, completely usable sidewalk chalk. This is also an excellent activity for exploring color mixing.

1 cent - $1 per student Ages 8 - 14 30 to 45 minutes
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In this computer science activity about finite-state automaton (on page 45 of the PDF), learners use a map and choose various pathways to find Treasure Island.

1 cent - $1 per student Ages 8 - 14 45 to 60 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 with explore the gases present in air. They will then build their own wind cannons and challenge family and friends to a friendly competition.

1 cent - $1 per student Ages 4 - 14 10 to 30 minutes
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During this hands-on activity, learners are briefly exposed to moviemaking and animation, when they create their own thaumatropes.

1 cent - $1 per group Ages 6 - 11 10 to 30 minutes
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In this math lesson, learners explore variables and their uses.

1 cent - $1 per student Ages 8 - 11 10 to 30 minutes
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In this activity, learners examine their fingerprints and learn that they can be categorized by shape, but each fingerprint is unique.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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In this activity, learners use recycled materials to build a bridge that holds as many potatoes as possible. They investigate weight, height, strength, and measurement as they seek design solutions.

1 cent - $1 per group Ages 6 - 14 45 to 60 minutes