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    This activity (on page 2 of the PDF SciGirls Activity: Milk Carton Boat) is a full inquiry investigation into boat hull design. Groups of learners will use empty half-pint milk cartons to fashion...

    $10 - $20 per group Ages 8 - 14 4 to 24 hours
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    In this online Flash game, learners take to the skies in a hot air balloon and are challenged to beat other balloonists' times to the finish line without crashing. Learners use their knowledge...

    free Ages 6 - 14 5 to 10 minutes
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    In this online Flash game, learners will captain a sailing challenge, adjusting boat direction and sails, seeking the way to take greatest advantage of varying wind speeds and directions to catch...

    free Ages 6 - 14 5 to 10 minutes
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    In this online Flash game, learners will explore a coral reef using an underwater remotely operated vehicle (ROV). Faced with concerns that environments around the world might be undergoing rapid...

    free Ages 6 - 14 5 to 10 minutes
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    This activity (on page 2 of the PDF under SciGirls Activity: Lift Off) is a full inquiry investigation into the engineering challenges of sending scientific sensors into space. Groups of learners...

    Over $20 per group Ages 8 - 14 1 to 7 days
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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. Groups of learners will use construction paper to...

    $1 - $5 per group Ages 8 - 14 1 to 2 hours
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    This activity (on page 2 of the PDF under SciGirls Activity: Hovercraft) is a full inquiry investigation into hovercraft engineering and design optimization. Groups of learners with access to power...

    Over $20 per group Ages 8 - 14 1 to 7 days
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    In this quick activity (located on page 2 of the PDF under GPS: Balloon Fiesta Activity), learners will see the effects of convection and understand what makes hot air balloons rise. Learners will...

    1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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    This activity (located on page 3 of the PDF under GPS: Balloon Fiesta Activity) is a full inquiry investigation into Bernoulli’s principle and airplane wings. Learners will design and build their...

    $5 - $10 per group Ages 8 - 14 45 to 60 minutes
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    This activity (located on page 3 of the PDF under GPS: Garbology Activity) is a full inquiry investigation into design optimization using recycled materials. Groups of learners will design a study...

    Over $20 per group Ages 8 - 14 1 to 2 hours

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