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"Baseketball": A Physicist Party Trick
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This trick from Exploratorium physicist Paul Doherty lets you add together the bounces of two balls and send one ball flying.
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Non-Round Rollers
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Wheels aren't the only things that can "roll" objects that are placed on top of it. Make non-intuitive shapes from cutouts and a compass to demonstrate this.
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Magnetic Pendulum
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In this activity about magnetism (page 15 of the PDF), learners will explore how opposite and similar magnetic poles affect a swinging (pendulum) magnet.
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Doughy Physics
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Learners drop two different masses of play dough and observe how long it takes them to hit the ground.
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Paper Bridges
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In this activity, learners build bridges using paper and explore how much weight each bridge design can support.
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Push Pull Painter
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In this activity, learners create painting machines that can paint moving forwards and backwards.
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Straws and Pins
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In this activity, learners build bridges and cantilevers in a series of "building out" challenges with straws and pins.
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Full of Hot Air: Hot Air Balloon Building
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In this activity, learners create a model of a hot air balloon using tissue paper and a hairdryer. Educators can use this activity to introduce learners to density and its role in why things float.
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Swinging Yo-Yo
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Learners build a pendulum from a yo-yo, and then design their own experiment to determine what affects the pendulum's period of swing.
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Paper Airplane Contest
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In this fun physics activity (page 9 of the pdf), learners take part in a paper airplane design challenge.
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Paper Bridge
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In this engineering activity, challenge learners to construct a paper bridge that can support 100 pennies.
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Wind Turbine
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Learners build a wind turbine and test it to see how much energy is created.
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What Causes Pressure?
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In this kinesthetic activity that demonstrates pressure, learners act as air molecules in a "container" as defined by a rope.
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On Target
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In this design challenge activity, learners modify a cup so it can carry a marble down a zip line and also drop it onto a target.
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A Stand-up Egg
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In this science trick, learners get an egg to stand-up on its long-axis vertical to a table's top.
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Balancing Ball: Suspend a ball in a stream of air
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Balance a ball in the air with a hair dryer! This Exploratorium produced activity shows learners concepts like lift and air streams. You can try many different angles, speeds, and ball types.
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Gravity-Defying Water
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In this activity, learners explore gravity and air pressure as they experiment with holding a glass full of water upside down, without spilling it, using a simple piece of cardstock.
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Race Around the Black Hole
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In this game, learners cutout a model black hole "cone" and attempt to roll around a marble or other small spherical object without touching the event horizon.
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Getting Your Bearings
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In this activity, learners explore the concept of friction and how ball bearings reduce friction.
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Pendulum Snake
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In this physics activity, learners assemble and/or investigate a pendulum "snake." Several large steel hex-nuts are suspended on strings of successively increasing length to form a series of pendulums