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In this math activity, learners jump and measure how far they can jump on different surfaces using different jumping techniques.

1 cent - $1 per student Ages 4 - 8 10 to 30 minutes
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In this math game (Page 14 of the Are You Game? PDF), learners determine the probability of getting an even versus an odd product using the numbers on a regular deck of cards.

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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In this activity related to climate change, learners examine albedo and the ice albedo feedback effect as it relates to snow, ice, and the likely results of reduced snow and ice cover on global temper

1 cent - $1 per group Ages 14 - 18 45 to 60 minutes
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This activity (located on page 3 of the PDF under GPS: Light and Color Activity) is a full inquiry investigation into mixing colors with light.

$10 - $20 per group Ages 8 - 14 1 to 2 hours
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In this activity, learners discover that the human brain is highly adaptable. Learners try to toss beanbags at a target while wearing prism goggles.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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In this activity related to climate change, learners create and explore topographical maps as a means of studying sea level rise.

$1 - $5 per group Ages 14 - 18 45 to 60 minutes
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In this activity, learners discover that one way to cool an object in the presence of a heat source is to increase the distance from it or change the angle at which it is faced.

1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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This is a comprehensive lesson plan on page 85 for a group cleanup trip to a local beach, lake or stream. Learners keep track of the types and amounts of trash picked up and analyze this information.

$5 - $10 per group Ages 14 - 18 1 to 7 days
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In this activity, learners explore the concept of rotational equilibrium. Learners work in teams to estimate and determine the force within a mobile design.

$5 - $10 per group Ages 14 - 18 1 to 2 hours
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This activity (on page 2 of the PDF under SciGirls Activity: Tug O' War) is a full inquiry investigation into tug-of-war physics. Groups of learners will test two tug-of-war strategies.

$10 - $20 per group Ages 8 - 14 2 to 4 hours
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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 use two different techniques to estimate how many little things fit into one bigger thing.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners make cool boxes out of old (or new) greeting cards or postcards.

free Ages 11 - 14 30 to 45 minutes
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In this activity, learners examine their tongue and taste buds.

1 cent - $1 per student Ages 6 - 18 Under 5 minutes
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In this activity, learners model estuaries, artificially enriching both fresh and salt water samples with different amounts of nutrients and observing the growth of algae over several weeks.

$5 - $10 per group Ages 14 - 18 1 to 4 weeks
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In this activity, learners work in teams build and launch rubberband-powered foam rockets.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners create a battery from fruit. This activity helps learners explore electricity, electrochemistry, and series circuits as well as the process of scientific inquiry.

Over $20 per group Ages 8 - 14 1 to 2 hours
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In this activity (page 26 of the PDF), learners make observations, formulate hypotheses and design a controlled experiment, based on the reaction of carbon dioxide with calcium hydroxide.

$5 - $10 per group Ages 8 - 18 1 to 7 days
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In this math lesson, learners record and graph plant growth and interpret data. Learners plant seeds, and once the seeds sprout, record the change in height of the plants for several days.

$5 - $10 per group Ages 8 - 11 1 to 4 weeks
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In this activity, learners create an electrical circuit and investigate how some dissolved substances conduct electricity.

$10 - $20 per group Ages 11 - 14 45 to 60 minutes