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Showing results 401 to 420 of 537

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In this archaeology meets art activity, learners make a mosaic and consider the ways in which art communicates.

$10 - $20 per group Ages 8 - 18 1 to 7 days
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In this water activity, learners test which objects float and which sink. Learners discover that objects behave differently in water.

$5 - $10 per group Ages 4 - 6 30 to 45 minutes
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In this activity, learners experience firsthand how marine animals' adaptive coloration camouflages them from prey.

$1 - $5 per group Ages 14 - 18 45 to 60 minutes
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Did you know that the water we use today is the same water found on Earth millions of years ago? The Earth constantly uses and recycles water in a process called the water cycle.

$5 - $10 per group Ages 8 - 14 1 to 7 days
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In this activity, learners test exhaled breath for carbon dioxide and learn how to use an indicator as a simple way to measure pH.

$5 - $10 per student Ages 8 - 18 10 to 30 minutes
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In this outdoor activity, learners compare the moisture released from different kinds of leaves and from different parts of the same leaf, by observing the color change of cobalt chloride paper.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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In this activity, learners create channel features with flowing water, comparing their observations to real images of Mars and Earth taken by satellites/orbiters.

Over $20 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners work in pairs to measure each other's ankles with lengths of string.

$1 - $5 per group Ages 8 - 14 5 to 10 minutes
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Learners conduct four simple experiments to demonstrate the effects of air pressure.

1 cent - $1 per student Ages 11 - 14 30 to 45 minutes
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In this activity, learners create a CloudSpotter wheel and record the different types of clouds they observe twice daily over several days.

free Ages 8 - 14 1 to 7 days
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In this activity, learners act as the Earth and observe how different angles between the Sun, Earth, and Moon affect the phases of the moon we see each month.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes
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In this activity, learners explore properties of water and watch evaporation happen by "painting" with water in the sun.

$5 - $10 per group Ages 4 - 8 10 to 30 minutes
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This is a classic exercise for visualizing the scale of the Solar System.

1 cent - $1 per group Ages 6 - adult 45 to 60 minutes
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This activity provides instructions for learners to create models of the Earth and then to model a "day" on Earth as well as modeling the seasons.

$5 - $10 per group Ages 11 - 14 45 to 60 minutes
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In this activity (located on page 4 of PDF), learners gain insight into the actual size of dinosaurs and practice making estimations and measurements.

1 cent - $1 per group Ages 6 - 11 30 to 45 minutes
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In this activity, learners experience some of the challenges of "tele-operating" a robotic vehicle on another planet when they design and execute a series of commands to guide a human "rover" through

$5 - $10 per group Ages 8 - 18 45 to 60 minutes
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This interactive demonstration reintroduces learners to three states of matter (solid, liquid, gas), and introduces them to a fourth state of matter, plasma.

Over $20 per group Ages 8 - 14 5 to 10 minutes
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In this activity related to magnetism and electricity, learners create a magnetic field that's stronger than the Earth's magnetic field.

$5 - $10 per student Ages 8 - 14 10 to 30 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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This fun and simple hands-on astronomy activity lets learners make 3-dimensional models of the Earth and Moon.

$5 - $10 per group Ages 6 - adult 10 to 30 minutes