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Showing results 901 to 920 of 1617

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Extract your DNA from your very own cells! First, learners swish salt water in their mouth to collect cheek cells and spit the water into a glass.

1 cent - $1 per student Ages 8 - 18 5 to 10 minutes
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In this activity (page 11 of PDF), learners compare the air pressure within a dark and a light bottle both heated by the sun, and discover that solar energy can be collected and stored in many ways


$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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Learners work in teams to investigate how scientists use physical characteristics to classify living things.

free Ages 8 - 18 45 to 60 minutes
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In this game, learners are stuck in a right turn only world! Learners take turns rolling a die and moving their game pieces along the lines of a grid to get "home," by only making right turns.

free Ages 8 - 11 10 to 30 minutes
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In this online activity, learners use a realistic mass and spring laboratory. They hang masses from springs and adjust the spring stiffness and damping.

free Ages 8 - adult 10 to 30 minutes
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In this nighttime, outdoor activity, learners keep a record of what they see in the sky by drawing constellations, the Moon, and making note of the weather and conditions each day.

$1 - $5 per student Ages 8 - 14 1 to 7 days
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In this weather activity/demonstration, learners watch as a ping pong ball is suspended in a stream of air supplied by a hair dryer.

free Ages 6 - 14 5 to 10 minutes
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In this activity, learners investigate the reflective properties of light and mirrors as they make a kaleidoscope.

$1 - $5 per student Ages 6 - 11 10 to 30 minutes
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Design and create an optical illusion toy that makes two pictures appear to become one. This is called a thaumatrope and will allow the learner to investigate the phenomenon of persistence of vision.

$1 - $5 per student Ages 6 - 11 10 to 30 minutes
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In this activity, learners observe how salinity affects the freezing point of water by making and enjoying ice cream.

$5 - $10 per group Ages 6 - 14 30 to 45 minutes
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In this activity (Page 25 of PDF), learners investigate the evolution of wheat by creating dough from different flours, observing the samples of dough as they rise, and then baking the dough.

$10 - $20 per group Ages 8 - adult 1 to 2 hours
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In this activity, learners discover that they can create a lens from a water drop. Learners test their lens by looking at words or pictures.

1 cent - $1 per group Ages 4 - 11 10 to 30 minutes
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In this activity, learners work together to interpret an "alien message." The group pretends that this is the only message from an imaginary civilization, so there is no "key" and thus no "correct" wa

1 cent - $1 per group Ages 6 - adult 10 to 30 minutes
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This is an activity (located on page 3 of the PDF) about the mixture of materials in bone and how they affect its strength.

$10 - $20 per group Ages 8 - 14 2 to 4 hours
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Using a milk-based recipe, learners create "moo glue" which is basically white school-type glue. The "secret ingredient" in milk that helps make glue is a chemical called casein.

$1 - $5 per group Ages 6 - 14 30 to 45 minutes
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You may have tried to throw a curveball or a slider, or even a screwball, with an ordinary baseball and found it difficult to do.

1 cent - $1 per student Ages 8 - 18 10 to 30 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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Hooray! In this design challenge activity, learners invent a device that launches a spoonful of confetti into the air. Learners are encouraged to create the biggest cloud of confetti possible.

$5 - $10 per group Ages 8 - 14 30 to 45 minutes
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In this activity (page 1 of PDF under SciGirls Activity: Forecasting), learners will construct an air cannon by cutting a hole in the bottom of a bucket and stretching a garbage bag over the other end

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
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In this activity (pages 26-29 of the PDF), learners investigate how they can develop super memories by using mnemonic devices.

free Ages 8 - 18 30 to 45 minutes