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This exercise can be used to stimulate the investigative nature of learners as they use forensic plant pathology techniques to prove the learners' innocence in a mock murder investigation.

1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
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In this activity (on page 1), learners role play as atoms to explore how atoms can be rearranged to make different materials.

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners follow clues to find five puzzle pieces, then assemble them. This activity works well with a whole group, individuals, or families.

1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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In this optics activity, learners explore how they can make gelatin stop light, but not stop them from seeing fruit suspended within.

1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
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In this activity, learners use heat to separate zinc and copper in a penny. This experiment demonstrates physical properties and how physical change (phase change) can be used to separate matter.

1 cent - $1 per student Ages 11 - 18 5 to 10 minutes
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In this hands-on and feet-on excursion, learners take a science walk to visualize the planet's immense size and numerous structures, without the usual scale and ratio dimensions found in most textbook

1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
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This activity puts a mathematical twist on the familiar “guessing jar.” No guesses allowed, estimates only.

1 cent - $1 per group Ages 4 - 14 5 to 10 minutes
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Do you have a hard time matching paint swatches with your furniture? When you consider human perception, color is context dependent.

1 cent - $1 per student Ages 4 - adult 5 to 10 minutes
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In this technology activity, learners explore digital imaging and pixels. Learners "transmit" an image to a partner by creating an image on grid paper.

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners design unique tiles and make repeating patterns to create tessellations. This activity combines the creativity of an art project with the challenge of solving a puzzle.

1 cent - $1 per student Ages 11 - 14 1 to 2 hours
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Testing magnets is always a fun pastime, but here, we're going beyond "will it attract the magnet?" In this activity, learners will investigate which materials allow magnetic fields to pass through or

1 cent - $1 per student Ages 6 - 18 5 to 10 minutes
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Learners attach an egg to a rubber-band bungee cord and drop the egg.

1 cent - $1 per student Ages 8 - 18 30 to 45 minutes
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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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Build a hydrometer (measures the density of a liquid) using a pipet or eyedropper.

1 cent - $1 per student Ages 8 - 18 5 to 10 minutes
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In this physics activity, learners use square blocks to explore how towers fall. Learners attach a piece of string to the side of a block and then construct a tall tower on top of this base block.

1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
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Make snack time into measuring time and learn to read Nutrition Facts labels. Try this when you’re using “pourable” foods, such as cereal, yoghurt, or juice.

1 cent - $1 per group Ages 6 - 14 5 to 10 minutes
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Learners use a candle to investigate the products of combustion. When a glass rod is held over a lit candle, the candle flame deposits carbon on the rod.

1 cent - $1 per group Ages 11 - adult 5 to 10 minutes