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This activity (on page 2 of the PDF under SciGirls Activity: Luge) is a full inquiry-based challenge related to motion and design optimization.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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In this activity (on page 7), learners explore the meaning of a "carbon sink." Using simple props, learners and/or an educator demonstrate how plants act as carbon sinks and how greenhouse gases cause

free Ages 8 - 14 45 to 60 minutes
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In this design challenge, learners will use computational thinking to design their own board game.

1 cent - $1 per student Ages 8 - adult 30 to 45 minutes
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In this activity, learners listen to songs and decode hidden messages based on the same principle as a modem. As a final challenge, learners decode the binary messages in a music video.

free Ages 6 - 18 30 to 45 minutes
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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 online game, learners run an outer space drink stand and thirsty alien customers are on the way.

free Ages 8 - 11 10 to 30 minutes
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In this activity, learners work in teams to simulate the process used by Global Positioning Systems (GPS) to determine the location of a fallen meteorite in Antarctica.

$1 - $5 per student Ages 11 - 18 10 to 30 minutes
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In this activity, learners explore how engineers work in a team to solve problems.

$1 - $5 per group Ages 8 - 18 1 to 2 hours
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If you have lights, cardboard, scissors, and some brass fasteners, you can make shadow puppets! Create a story-telling and design challenge for your learners with this simple and creative activity.

1 cent - $1 per student Ages 6 - adult 30 to 45 minutes
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This is a great activity for investigating the basics of lift and drag as they pertain to flight. Learners will discover how to avoid "taking a nosedive" by building their own paper airplane.

1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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In this activity, learners explore how rescue devices are designed to aid professionals during emergency situations.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners examine antibodies and antibody recognition using a model.

Over $20 per group Ages 11 - 14 45 to 60 minutes
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In this activity, learners explore how engineering has impacted the manufacturing of canoes over time, including the development of new, durable, and lighter materials.

Over $20 per group Ages 8 - 14 1 to 2 hours
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In this activity, learners explore the history of making objects from glass and artistry of Dale Chihuly.

$10 - $20 per group Ages 8 - 11 1 to 2 hours
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This online simulation game explores the different consequences of water levels on the Columbia River in the Pacific Northwest.

free Ages 8 - 18 10 to 30 minutes
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In this activity, learners will create a diagram of the ocean zones and determine what organisms live in each zone.

$1 - $5 per group Ages 4 - 18 45 to 60 minutes
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In this activity, learners carry out a scientific investigation of dust in their classroom. Learners produce an analysis on graph paper of the dust they collect over the course of a few days.

$1 - $5 per group Ages 11 - 18 1 to 7 days
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In this Cyberchase activity, learners use the numbers one through six to solve a puzzle.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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In this delicious activity, learners get to make, taste-test and compare their own "brands" of homemade strawberry ice cream.

$1 - $5 per student Ages 6 - 11 45 to 60 minutes
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In this activity, learners explore how a hydraulic pump works. Learners work in teams to design and build a unique water fountain that employs a hydraulic pump.

$10 - $20 per group Ages 8 - 18 2 to 4 hours