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Attract a Fish
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This outdoor activity/field trip requires a place where minnows swim, such as a local pond or brook.

Linkages
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This design challenge is an open-ended exploration of linkages, a group of parts connected by hinges, and the types of motion they can create.

Caution! Wildlife Crossing
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In this design challenge, learners use their creativity and imagination to design and test a wildlife crossing for their favorite animal.

Fragile Waters
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In this activity (on pages 18-29) learners explore the impact of the March 24, 1989 oil spill in Alaska caused by the Exxon Valdez tanker.

Paper Animals
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This resource contains ideas and brief instructions on how to build animals out of construction paper and other simple materials.

Animal House
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The goal of this activity is to design, build and test a house or toy for an animal.

Cats and Canaries
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In this math puzzle game, learners work together to use algebraic reasoning and fun clues for solving word puzzles.

Lever Cowboy
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In this activity, learners build a figure that moves and "comes to life" when they pull its string.

Calendarios para cualquier año
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Este Web site contiene links a 12 calendarios (12 meses). Cada mes contiene actividades sobre matemáticas.

Seashell Journal
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In this activity, learners make homemade journals featuring seashell rubbings. First, learners transfer the texture of a seashell onto a piece of paper using a crayon.

My Insect
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In this activity, learners use information gathered from a variety of sources to design and make their own insect.

Glow Up
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In this activity, learners explore chemiluminescence and fluorescence. Learners examine 3 different solutions in regular light, in the dark with added bleach solution, and under a black light.

Three Little Pigs Construction Company
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In this activity about problem-solving, learners build a house for the Three Little Pigs using twenty straws and two index cards.

Supporting Structures
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In this activity about living things and gravity (page 5 of PDF), learners design and build an exoskeleton or an endoskeleton for an animal of their own invention.

Living Clocks
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In this activity about daily rhythms (on page 17 of the PDF), learners will explore circadian patterns in humans, animals and plants.

Our Sense of Sight: Eye Anatomy and Function
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In this activity, learners investigate the sense of sight and develop and conduct their own experiments.

The Gator Pie Game
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In this activity, learners explore fractions as they help gators share pies.

Doghouse Design
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This activity (on page 2 of the PDF under SciGirls Activity: Doghouse Design) is a full inquiry investigation into absorption and reflection of radiant energy.

Harmless Holder
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Have you noticed the plastic rings that are used to hold six-packs of soda? Those rings are great for carrying cans, but they're real trouble when they become trash that animals can get tangled in.

Using a Sundial
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In this activity (on page 12 of the PDF), learners make a sundial (shadow clock) appropriate for their geographic location in the northern hemisphere and use it to tell time.