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Use the Zoo Calendar (page 1 of PDF) to involve learners in interdisciplinary, whole language, and writing activities about ecological concepts.

$5 - $10 per group Ages 6 - 11 1 to 4 weeks
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In this activity, learners compare different types of salt crystals under a magnifying glass.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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In this activity, learners explore the concepts of natural selection and observable traits in a game that can be played at home.

$5 - $10 per group Ages 4 - 14 10 to 30 minutes
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In this activity, learners build a water squirter using a PVC pipe, dowel, and foam. This activity is great for the summer time and introduces learners to forces and water pressure.

$5 - $10 per student Ages 6 - 18 45 to 60 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 observe glow-in-the-dark objects in a homemade light-proof box. Objects can include glow sticks, glow-in-the-dark toys, and toys with fluorescent paint.

$1 - $5 per group Ages 6 - adult Under 5 minutes
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This activity shows learners (with adult supervision) how to make a Glitter Globe, a fabulous toy that shimmers when you shake it.

$1 - $5 per student Ages 6 - 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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In this chemistry activity, learners prepare two petri dishes, one filled with water and one filled with milk.

$1 - $5 per group Ages 4 - 18 5 to 10 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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In this activity, learners explore force and motion by constructing cardboard cars that are propelled by balloons.

$1 - $5 per student Ages 6 - 11 45 to 60 minutes
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In this activity, learners build a slide whistle using PVC pipe, bamboo skewer, and piece of foam. Construction of the instrument is relatively simple.

$1 - $5 per student Ages 6 - 18 10 to 30 minutes
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In this activity, learners conduct a scientific investigation involving decomposition and discover that the life cycle of trash is affected by its organic or inorganic nature.

free Ages 6 - 14 1 to 12 months
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In this activity, learners test the pH of safe liquids available at home by creating a pH indicator from mashed blueberries.

$10 - $20 per group Ages 6 - 18 10 to 30 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 activity, learners are challenged, using everyday objects, to create simple machines to complete specific tasks.

$5 - $10 per group Ages 6 - 14 45 to 60 minutes
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In this outdoor game, learners play the roles of gray or red squirrels gathering and storing a supply of food in "fall" and recovering enough of them to survive the "winter." Learners carry bags repre

$5 - $10 per group Ages 6 - 11 45 to 60 minutes
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This activity uses a special paper that can create images with exposure to the Sun. Collect objects of different shapes and sizes and use them to make interesting patterns on your sun print.

$5 - $10 per group Ages 4 - 11 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