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Learners build structures from spaghetti and marshmallows to determine which structures are able to handle the greatest load.

$1 - $5 per group Ages 11 - 18 30 to 45 minutes
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In this activity, learners explore water pressure by conducting an experiment with a garden hose. Learners build a testing apparatus and create PVC nozzles with different sized holes.

$10 - $20 per group Ages 8 - 14 45 to 60 minutes
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Learners build and investigate pendulums of different lengths. They discover that the longer the string of the pendulum, the longer the time it takes to swing.

$1 - $5 per group Ages 11 - 18 30 to 45 minutes
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Learners engage in close observation of falling objects. They determine it is the amount of air resistance, not the weight of an object, which determines how quickly an object falls.

$1 - $5 per group Ages 11 - 18 30 to 45 minutes
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In this activity, learners create a cool floating animal using the science of magnetism. Learners discover what happens when a piece of magnetic metal enters a magnet's field.

$5 - $10 per student Ages 6 - 11 30 to 45 minutes
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Learners examine collisions between two skateboards carrying different masses. They learn about conservation of momentum in collisions.

free Ages 11 - 18 30 to 45 minutes
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In this twist on a classic design challenge, learners will try to stop a bouncy ball from bouncing as they explore how to control the fall of an object.

$1 - $5 per student Ages 6 - 18 30 to 45 minutes
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In this activity, learners explore the real science behind an egg drop "magic trick." Learners will wow their families by harnessing gravity, friction and motion to make 3 eggs fall off of their pedes

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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In this activity, learners explore the concept of rotational equilibrium. Learners work in teams to estimate and determine the force within a mobile design.

$5 - $10 per group Ages 14 - 18 1 to 2 hours
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Learners examine what happens when a tube spins in two directions at once. They push on a cardboard tube causing it to spin along its length while at the same time turning from end-to-end.

1 cent - $1 per student Ages 11 - 14 10 to 30 minutes
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In this fun and, at times, hilarious force and motion activity, learners will use household objects to build a crazy contraption and see how far they can get a tennis ball to move.

$1 - $5 per group Ages 4 - adult 1 to 2 hours
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In this physics activity, learners will build their own parachutes out of tissue paper. They will explore the effects of weight, height, and design on the parachutes' speed and stability.

$1 - $5 per student Ages 8 - 11 30 to 45 minutes
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In this activity, learners create a tiny electric, motorized dancer. Learners use the interactions of magnetism and electric current to make a wire spin, while displaying the Lorentz Force in action.

$1 - $5 per student Ages 8 - 18 30 to 45 minutes
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In this activity related to magnetism and electricity, learners observe as two parallel, current-carrying wires exert forces on each other.

$5 - $10 per student Ages 8 - 14 10 to 30 minutes
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Learners build a small rocket using a matchstick and a piece of aluminum foil. A second, lit match launches the match rocket. This activity involves fire; adult supervision required.

free Ages 11 - 14 10 to 30 minutes
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In this physics activity, challenge learners to make a rubber band-powered spool racer. Demonstrate principles of motion as well as potential and kinetic energy.

$1 - $5 per student Ages 6 - 11 10 to 30 minutes
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This is an activity about inertia, Newton's First Law of Motion. Learners will discover how an egg at rest, or any object at rest, stays that way.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this outdoor, windy day activity, learners "fly" and race leaves along a line to discover which types of leaves catch the most wind. Which leaves are the best fliers? Why?

$1 - $5 per group Ages 6 - 14 45 to 60 minutes
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This is a quick activity (on page 2 of the PDF under Gecko Feet Activity) about the forces of gravity and surface tension and how their behavior is influenced by size.

1 cent - $1 per group Ages 8 - 14 5 to 10 minutes
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In this design challenge activity, learners add a jet-propulsion system (i.e. a balloon) to a blimp so it flies straight and far under its own power.

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