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This activity offers learners and their families several ways to raise their awareness together about home water.

free Ages 4 - adult 1 to 7 days
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Why is ocean water sometimes the warmest when the average daily air temperature starts to drop? In this activity, learners explore the differing heat capacities of water and air using real data.

1 cent - $1 per student Ages 11 - 18 45 to 60 minutes
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Water, whether fresh or salty, serves as one of the best electrical conductors on the planet. Does salt effect its conductivity?

free Ages 14 - 18 1 to 2 hours
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Learners take a field trip along a local body of water and conduct a visual survey to discover information about local land use and water quality.

$10 - $20 per group Ages 11 - 18 1 to 2 hours
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Learners work in teams to design and build solar water heating devices that mimic those used in residences to capture energy in the form of solar radiation and convert it to thermal energy.

$10 - $20 per group Ages 14 - 18 1 to 7 days
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How do scientists measure how clear or murky water in a lake is? How does water clarity (clearness) affect what lives in the lake?

$10 - $20 per group Ages 8 - adult 10 to 30 minutes
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In this activity, learners calculate the number of milliliters of water a nearby tree transpires per day.

$1 - $5 per group Ages 14 - 18 4 to 24 hours
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In this math lesson (page 2 of the PDF), learners use bottles of various shapes to explore the abstract concept of rate of change.

1 cent - $1 per group Ages 14 - 18 45 to 60 minutes
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In this experiment, pairs of learners explore how cold water affects circulation. The mammalian diving reflex (MDR) slows circulation when the body is exposed to cold water.

free Ages 8 - 18 30 to 45 minutes
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In this lab activity, learners explore how to initiate a density current. Learners measure six flasks with different concentrations of salt and water (colored blue).

1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
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In this lab (Activity #2 on page), learners compare bacteria growth on two petri dishes containing nutrient agar. Learners touch the doors, faucets, etc.

$1 - $5 per group Ages 8 - 18 1 to 7 days
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In this lab, learners grow broad bean (also called fava bean) plants in three EarthBoxes for a few weeks before exposing one to wind (using a fan), another to heat (using a lamp), and the third to not

Over $20 per group Ages 14 - 18 1 to 7 days
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In this lab, learners experience how dolphins and other echolocating animals use their senses to locate and identify objects without using their sense of sight.

$10 - $20 per group Ages 14 - 18 45 to 60 minutes
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In this activity, learners use simple items to construct a device for indicating air pressure changes.

$1 - $5 per student Ages 8 - 18 1 to 4 weeks
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In this physics crime lab or demonstration, learners pretend they are criminologists and must find the "muzzle velocity" (speed of the bullet as it leaves the gun) of a gun used to commit a crime.

Over $20 per group Ages 14 - 18 1 to 2 hours
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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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April showers bring May flowers, but what do coastal storms bring?

$1 - $5 per group Ages 14 - 18 1 to 2 hours
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This series of chemistry stations is designed to accompany the PBS documentary about African-American chemist "Percy Julian: Forgotten Genius." Each of the six stations features either a chemical or p

$10 - $20 per group Ages 11 - adult 45 to 60 minutes
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In this activity, learners make a model of a pollution spill that occurred at Bangs Lake in Mississippi and measure water quality parameters in their model.

Over $20 per group Ages 14 - 18 2 to 4 hours
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In this activity, learners will explore how a hydrometer works by building a working model and conducting experiments.

1 cent - $1 per group Ages 8 - 18 45 to 60 minutes