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Showing results 81 to 100 of 292
Mini Zoetrope
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In this activity (posted on March 27, 2011), learners follow the steps to construct a mini zoetrope, a device that produces an illusion of action from a rapid succession of static pictures.
Web It!
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In this outdoor activity, learners investigate spider webs and feeding behavior, particularly how spiders trap food in their sticky silk webs while not getting stuck themselves.
Pico Cricket Compass
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Learners can program a compass to draw a circle by itself using a Pico Cricket, some Legos, and lots of tape! Pico Cricket is required.
3-2-1 POP!
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In this physics activity, learners build their own rockets out of film canisters and construction paper.
Blow-and-Go Parachute
Learners make a skydiver and parachute contraption and launch it. They see that the drag created by air resistance slows the descent of skydivers as they travel back to Earth.
Let's Make a Supernova!
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This fun and simple hands-on astronomy activity lets learners explore what happens when a star explodes.
Exploring Materials: Ferrofluid
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In this activity, learners discover that a material can act differently when it's nanometer-sized.
Achieving Orbit
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In this Engineering Design Challenge activity, learners will use balloons to investigate how a multi-stage rocket, like that used in the Interstellar Boundary Explorer (IBEX) mission, can propel a sat
DNA Fingerprinting
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In this forensics activity, learners solve a mystery using “DNA” taken from the scene of the crime.
Programming Languages: Marching Orders
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In this activity about computer programming, learners follow instructions in a variety of ways in order to successfully draw figures.
Bobbing Eyeballs
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In this activity, learners use simple materials and basic tools to construct a special toy to explore pendulums. As the head of the toy bobs one way, the eyeballs bob the other way.
The Drake Equation
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In this math activity, based on the research of famed astronomer Frank Drake, learners calculate the possibilities of finding intelligent life elsewhere in the universe besides Earth.
Tangram Challenge
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In this activity about tangrams, learners print and cut out their own tangram shapes and solve puzzles by fitting these geometric pieces together in a variety of ways.
Pickle-oh!: Musical Pickle Instrument
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What's a Pickle-Oh? Two pieces of pickle on a stick are connected to a Pico Cricket (micro controller). When you slide the pickles apart the note changes.
Dogs and Turnips
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Learners turn over a random selection of cards from a larger set. From the words revealed, they try to determine the sentence represented on the larger set of cards.
Height Sight
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In this activity, learners build a tool called an inclinometer that can find the height of any distant object, from a tree to the North Star.
Water Underground
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Many people get water from a source deep underground, called groundwater.
Rubber Band Racer
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In this activity, learners construct speedy vehicles made out of paper plates and powered by twisted rubber bands.
Exploring the Solar System: Mission to Space Board Game
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In this tabletop board game, players will represent a team of scientists and engineers sending a spacecraft on a mission to space.
Extreme Lifestyles
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In this matching game, learners study the limits of life on Earth to see what other places in the solar system might sustain microbial life.