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In this activity, learners rotate through several learning and play stations to explore dinosaurs and paleontologists.

$5 - $10 per group Ages 4 - 6 45 to 60 minutes
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In this activity, learners investigate color vision as well as plan and conduct their own experiments.

$5 - $10 per group Ages 8 - 18 1 to 2 hours
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In this math lesson, learners explore the concept of using units to measure length. Learners first read "How Big is a Foot" by Rolf Myller and learn about units.

$5 - $10 per group Ages 4 - 6 45 to 60 minutes
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In this three/four-day lesson, learners calculate perimeters and areas and draw the castle plan to scale.

$5 - $10 per group Ages 8 - 14 1 to 7 days
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In this four-day lesson, learners identify three-dimensional forms in castle design, research different parts of the castle with a focus on their uses, and design and enlarge a banner for the great ha

$5 - $10 per group Ages 8 - 11 1 to 7 days
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In this water activity, learners build boats that float and sink. First, learners listen to the book, "Who Sank the Boat" and practice making predictions throughout the story.

$5 - $10 per group Ages 4 - 6 45 to 60 minutes
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In this activity, learners explore what makes a boat float and sink. They examine and test various objects to determine why objects float or sink.

$5 - $10 per group Ages 4 - 8 45 to 60 minutes
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Learners experiment with water gel crystals, or sodium polyacrylate crystals, which absorb hundreds of times their weight in water. When in pure water, the water gel crystals cannot be seen.

$5 - $10 per group Ages 11 - 18 45 to 60 minutes
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In this math-based activity, learners will experiment to find how height and angle affect spatter and then use this knowledge to solve a crime.

$5 - $10 per group Ages 11 - 14 45 to 60 minutes
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In this math lesson, learners are introduced to proportional reasoning through modeling, sharing, and questioning techniques.

$5 - $10 per group Ages 8 - 11 1 to 2 hours
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Learners shine the light of a laser pointer through sheets of fabric that all have a different number of threads per inch.

$5 - $10 per group Ages 11 - 14 10 to 30 minutes
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In this activity on page 13 of the PDF, learners use a laser pointer (with known wavelength of light) to measure the thickness of a human hair.

$5 - $10 per group Ages 11 - 14 10 to 30 minutes
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In this math lesson, learners participate in a variety of activities that give them experience in recognizing, describing, and extending repeating and arithmetic patterns.

$5 - $10 per group Ages 6 - 8 1 to 2 hours
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In this math lesson, learners record and graph plant growth and interpret data. Learners plant seeds, and once the seeds sprout, record the change in height of the plants for several days.

$5 - $10 per group Ages 8 - 11 1 to 4 weeks
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In this simulation, learners become birds different beak types. Learners use various tools to represent beaks to pick up seeds and place them in a petri dish.

$5 - $10 per group Ages 14 - 18 1 to 2 hours
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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 math activity, learners read "The Button Box" by Margarette S. Reid and then make their own button boxes filled with different buttons.

$5 - $10 per group Ages 6 - 8 1 to 2 hours
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In this outdoor activity, learners work in pairs using their senses—especially touch—to learn more about individual trees.

$5 - $10 per group Ages 8 - 18 1 to 2 hours
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In this three-day lesson, learners identify two-dimensional shapes used in castle construction, create a castle collage using assorted shapes, and design tapestries using repeated patterns of color, s

$5 - $10 per group Ages 4 - 8 1 to 7 days