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Showing results 921 to 940 of 1245

Catapult
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In this activity about transfer of energy, learners get to build their own catapult using nothing more than a plastic spoon and some tape.

Fish Wheels
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In this activity, learners cut out and assemble wheels to explore how variations in fish body structures (mouth shape/position/teeth, body shape, tail shape, and coloration patterns) allow fish to sur

Chain Reaction II
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In this hands-on activity, learners use an assortment of (mainly household) items to complete Rube Goldberg-type challenges.

Test Density with a Supersaturated Solution
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Learners create three solutions with different levels of salinity. They compare the density of these solutions by coloring them and layering them in a clear plastic cup and in a soda bottle.

By the Numbers
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Learners describe objects in a room using only numbers and shapes. They can measure the object (like a desk) and make a list of facts about it (e.g.

Power Up!
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In this online game, learners must purchase power plants for their city.

Risk Continuum
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This activity is a whole-group kinesthetic demonstration that shows learners what it means to be in a "risk group" for developing heart disease based on family history and genetics.

Under Pressure
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In this simple activity, learners discover how a mere piece of paper can be used to hold up the weight of a heavy book.

Family Scavenger Hunt
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In this activity, learners will take a walk with their family and incorporate a scavenger hunt. They will explore topics like ABC’s, numbers, colors, and shapes as they search for related items.
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

Sand Activity
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In this activity, learners observe mixtures of sand samples glued to note cards, and consider how sand can differ in size, shape, and color, and where it comes from.

Feather Rockets
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In this activity, learners will make and launch feather rockets. Lerners will use science process skils such as making predictions and measuring while launching the rockets.

Super Golf Tower
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In this engineering activity, challenge learners to build a tower out of 10 sheets of newspaper and 3 feet of masking tape, which can hold a golf ball balancing at the top.

Bubble Sculpting
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In this activity, learners develop spatial reasoning skills as they blow bubbles and observe what happens when the bubbles connect.
Pollution in Our Watershed
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By building a simple watershed with paper and markers and then using a spray bottle to simulate precipitation, learners will understand how pollution accumulates in our water sources, especially from

Dancing Raisins
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In this activity, learners will explore density and it's relationship with mass.

Paper Cup Stool
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In this activity, learners will explore how and why weight distribution works.

Personal Fan
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Cool off in the heat with this project! Learners use simple materials to build a fan that runs on a motor.

Circuits with Friends
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In this activity, learners explore the parts of a circuit by modeling, as a group, a “human” circuit.

Physics by the Fire: Matchstick Rocket
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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.