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In this family or group inquiry activity, learners use their senses to explore a local forest or woodland.

1 cent - $1 per group Ages 6 - 11 1 to 2 hours
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In this demonstration, learners observe the effects of density and pressure. A "diver" constructed out of a piece of straw and Blu-Tack will bob inside a bottle filled with water.

1 cent - $1 per group Ages 4 - adult Under 5 minutes
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In this activity, learners explore how salt water freezes in comparison to fresh water.

1 cent - $1 per group Ages 6 - 14 1 to 2 hours
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In this activity, learners play an evolution card game to see how selective pressures can affect an organism's evolution.

1 cent - $1 per group Ages 8 - 18 1 to 2 hours
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In this activity on page 60, learners examine and simulate wildlife entanglement by experiencing what it might be like to be a marine animal trapped in debris.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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In this activity (located on page 4 of PDF), learners gain insight into the actual size of dinosaurs and practice making estimations and measurements.

1 cent - $1 per group Ages 6 - 11 30 to 45 minutes
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In this activity, learners explore how dinosaurs are named and what their names mean. Learners listen to "The Littlest Dinosaurs" by Bernard Most.

1 cent - $1 per group Ages 6 - 8 45 to 60 minutes
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In this activity (page 7 of pdf), learners research tide pool ecosystems, and then create brochures that "advertise" these environments.

1 cent - $1 per student Ages 8 - 11 2 to 4 hours
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Using a real-size sketch of a baby elephant's footprint, learners estimate, measure and record the width (diameter) and outside edge length (perimeter or circumference) of the footprint.

1 cent - $1 per group Ages 4 - 11 30 to 45 minutes
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In this activity, learners simulate whale echolocation. Learners experience echolocation by wearing blindfolds, while another learner makes snapping noises in front of, behind, or to the side of them.

1 cent - $1 per group Ages 8 - 11 10 to 30 minutes
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This activity is a fun way to show two stages in a Monarch butterfly's life cycle. Learners will create an optical illusion that can be flipped from caterpillar to butterfly.

1 cent - $1 per student Ages 4 - 8 10 to 30 minutes
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In this activity, learners identify the reproductive parts of plants and the animal (bee) structures involved in pollination.

1 cent - $1 per group Ages 8 - 14 30 to 45 minutes
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In this activity about sea otters, learners make their own "otter whiskers" and use them to find objects underwater.

1 cent - $1 per student Ages 4 - 11 5 to 10 minutes
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In this activity, learners discover which plants and animals have symbiotic relationships and how this impacts each organism.

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners make a model of the hot water of a deep sea vent in the cold water of the ocean to learn about one of the ocean's most amazing and bizarre underwater habitats.

1 cent - $1 per group Ages 8 - 14 5 to 10 minutes
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In this activity (page 89 of the PDF), learners compare and contrast pitch and roll motions by using a Magic Carpet maze similar to one that was used for Neurolab investigations about microgravity.

1 cent - $1 per student Ages 8 - 18 45 to 60 minutes
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In this activity, learners investigate how wolves communicate with each other through different body postures.

1 cent - $1 per group Ages 6 - 14 30 to 45 minutes
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In this activity (page 1 of the PDF under SciGirls Activity: Rabbits), learners will visit a zoo, aquarium, or pet store to view a variety of fish.

1 cent - $1 per student Ages 8 - 14 45 to 60 minutes
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In this activity, learners use information gathered from a variety of sources to design and make their own insect.

1 cent - $1 per student Ages 4 - 14 45 to 60 minutes
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In this graphing exercise (page 2 of the pdf), learners compare their own height to the length of various sharks.

1 cent - $1 per student Ages 8 - 11 45 to 60 minutes