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In this activity, learners use marshmallows and gum drops to construct seven models of molecules. Learners classify (solid, liquid or gas) and draw diagrams of the molecules.

1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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En esta tira cómica, Mateo y Cientina emplean su conocimiento de la química y las medidas para esta actividad deliciosa - ¡hacer helado!

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners will use static elecricity to bend a stream of water without touching it. Learners will explore physics and cause and effect through this activity.

1 cent - $1 per student Ages 4 - 14 10 to 30 minutes
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In this activity, learners discover that some plastics will shrink when you get them hot. Learners bake polystyrene in a regular oven and discover what happens.

1 cent - $1 per student Ages 4 - adult 10 to 30 minutes
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In this activity about light and perception, learners discover how a flash of light can create a lingering image called an "afterimage" on the retina of the eye.

1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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In this activity, learners create an origami model of DNA, demonstrating its double helix structure.

1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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Learners will collect pennies to donate and will combine charitable giving with estimating and calculating with money. To start choose a charity or something to save up for together.

1 cent - $1 per group Ages 4 - 14 10 to 30 minutes
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En esta actividad la tira cómica muestra a los participantes como pueden hacer un experimento simple para ver cuales líquidos son ácidos.

1 cent - $1 per group Ages 11 - 14 10 to 30 minutes
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In this activity, young learners explore the basic shapes of constellations by making their own scope out of a cardboard tube and paper with pinpricks.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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In this activity, learners use a hand-made protractor to measure angles they find in playground equipment.

1 cent - $1 per student Ages 11 - 14 10 to 30 minutes
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In this activity, learners use pattern blocks and mirrors to explore symmetry. Learners work in pairs and build mirror images of each other's designs.

1 cent - $1 per student Ages 8 - 11 10 to 30 minutes
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Learners draw comic-style pictures to show the water cycle. From a starting picture, one learner draws what happens to the water in the next panel, then passes the comic strip to another learner.

1 cent - $1 per group Ages 8 - 11 10 to 30 minutes
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This is a great activity for investigating the basics of lift and drag as they pertain to flight. Learners will discover how to avoid "taking a nosedive" by building their own paper airplane.

1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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In this math activity, learners explore probability as they play a game. Learners will categorize everyday events as either impossible, possible or certain.

1 cent - $1 per group Ages 8 - 11 10 to 30 minutes
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In this activity, learners combine counting, area and perimeter concepts as they prepare the seating arrangement for a family reunion dinner.

1 cent - $1 per group Ages 6 - 8 10 to 30 minutes
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In this activity (11th activity on the page), learners use their sense of touch to identify matching pairs of objects hidden in bags. Learners can also play this game with partners.

1 cent - $1 per group Ages 4 - 14 10 to 30 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 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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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