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Sink or Float
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In this activity, learners explore and compare the buoyant properties of materials found in nature and in human-made materials.

Helicopters
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In this activity, learners will observe how air interacts with a paper helicopter. Learners will test different variables of weight, size, and shape.
Magnus Glider
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A design challenge that takes paper airplanes into an entirely different direction: a magnus glider uses cups and and rubber bands to create a glider that uses the same forces that a curveball (from b

Playground Patterns of Cracks
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In this math activity, learners observe and sketch cracking patterns in pavement.

Boomerang
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Learners trace, cut out and fly a boomerang, outdoors or in a large indoor space.

Thrown For A Curve: Pitch Like A Big Leaguer
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You may have tried to throw a curveball or a slider, or even a screwball, with an ordinary baseball and found it difficult to do.

Gravity in Action
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Explore the effects of gravity on a slowly falling object: a parachute you make out of plastic bags, string and stones.

It's the "Rain," Man
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In this weather forecasting activity, learners use common materials to construct a rain gauge and measure daily, monthly, and yearly rainfall.

Tissue Paper Parachute
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In this activity, learners make a parachute out of tissue paper, tape, and string. Then, learners test their parachute to see how many paper clips it can carry.

Bottle Blast Off
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With little more than a plastic bottle, some vinyl tubing, and a length of PVC pipe, make a rocket and a rocket launcher and investigate how rockets fly.

Parachuting Pinwheel
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Build a pinwheel that works without wind! This activity contains steps on how to build a parachuting pinwheel out of paper, a film canister, and some brads.

Make a Garbage Bag Kite
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Make a kite out of a garbage bag, shower curtain, painting tarp--anything light, thin, flexible and plastic!

Pedal Power
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In this engineering activity, learners examine bicycle mechanics and gear ratios. Learners determine which gears will help them bike a set course in the shortest amount of time.

Trash Traits
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In this activity on page 24, learners perform experiments to examine whether or not trash can float, blow around, or wash away.

Rocket Pinwheel
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This is an activity about motion, power, air and Newton’s Third Law of Motion, which states that for every action there is an equal and opposite reaction.

Gravity Fountains
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This activity (located on page 3 of the PDF under GPS: Glaciers Activity) is a full inquiry investigation into the forces of gravity and air pressure.

The Shadow Knows II
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In this activity, learners will measure the length of a shadow and use the distance from the equator to calculate the circumference of the earth.

Fishy Observations
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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.