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Showing results 121 to 140 of 179

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In this physics activity, learners build their own rockets out of film canisters and construction paper.

$5 - $10 per student Ages 6 - 18 10 to 30 minutes
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In this activity, learners separate materials based on their special properties to mimic the way recyclables are sorted at recycling centers.

$1 - $5 per student Ages 6 - 11 10 to 30 minutes
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Learners work in groups to construct bridges using stale marshmallows and toothpicks.

$5 - $10 per group Ages 11 - 14 30 to 45 minutes
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In this design challenge activity, learners design and build a solar hot water heater. Their goal is to create a heater that yields the highest temperature change.

$10 - $20 per student Ages 11 - 18 1 to 2 hours
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Learners apply their knowledge of heat transfer to design two cans - one that will retain heat and one that will cool down quickly.

$1 - $5 per group Ages 11 - 14 45 to 60 minutes
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Learners initially test to see how many drops of liquid (water, rubbing alcohol, and vegetable oil) can fit on a penny.

$1 - $5 per group Ages 11 - 14 10 to 30 minutes
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In this activity, learners light an LED with five cents. Learners use two different metals and some sour, salty water to create a cheap battery.

1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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This is written as a display, but can easily be adapted to a hands-on activity. Learners observe and shake containers of shiny liquids.

$5 - $10 per group Ages 4 - 14 5 to 10 minutes
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In this activity, learners use a laser pointer, empty soda bottle, rubber plug and water to demonstrate total internal reflection.

free Ages 14 - 18 5 to 10 minutes
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Learners investigate the concept of humidity by using a dry and wet sponge as a model. They determine a model for 100% humidity, a sponge saturated with water.

1 cent - $1 per group Ages 8 - 14 30 to 45 minutes
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In this activity, kids make and play with Ooze before testing the material in an egg drop!

$1 - $5 per student Ages 4 - adult
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In this activity, learners build an electric two-paddle boat using paint paddles, plastic knives, and empty water bottles.

$10 - $20 per student Ages 6 - 14 30 to 45 minutes
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In this optics activity, learners examine how a transparent material such as glass or water can actually reflect light better than any mirror.

1 cent - $1 per group Ages 8 - 18 10 to 30 minutes
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Learners blow into balloons and collect their breath--carbon dioxide gas (CO2). They then blow the CO2 from the balloon into a solution of acid-base indicator.

$1 - $5 per student Ages 8 - 14 5 to 10 minutes
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In this activity, learners construct hand-held altitude trackers. The device is a sighting tube with a marked water level that permits measurement of the inclination of the tube.

$5 - $10 per group Ages 8 - 18 1 to 2 hours
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This is an activity that demonstrates how batteries work using simple household materials. Learners use a pickle, aluminum foil and a pencil to create an electrical circuit that powers a buzzer.

$5 - $10 per group Ages 11 - 18 30 to 45 minutes
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In this activity on page 5 of the PDF, learners compare water with artificial urine to see how urinalysis works. Learners use urinalysis test strips to test for glucose and protein in the fake urine.

Over $20 per student Ages 8 - 14 45 to 60 minutes
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In this activity related to microbes, learners use water drops and hand lenses to begin the exploration of magnification. This activity also introduces learners to the microscope.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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This is a quick activity (on page 2 of the PDF under Butterfly Wings Activity) that illustrates how nanoscale structures, so small they're practically invisible, can produce visible/colorful effects.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this online interactive simulation, learners will add different salts to water and then watch the salts dissolve and achieve a dynamic equilibrium with solid precipitate.

free Ages 8 - adult 10 to 30 minutes