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This activity (located on page 3 of the PDF under GPS: Temperate Rain Forest Activity) is a full inquiry investigation into tree growth rates.

$10 - $20 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners build penetrometers to test leaf toughness. Biologists measure leaf toughness to study the feeding preferences of insects and bugs.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this physical sciences activity, learners explore how forensic investigators collect prints from a crime scene. Learners make hand impressions in damp sand and analyze the patterns they observe.

$5 - $10 per group Ages 8 - 14 45 to 60 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 matchmaking activity (on page 2 of the PDF under GPS: Animal Scent Activity), learners will each have a scented cotton ball taped to their shoulder. The scent (e.g.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes