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Showing results 421 to 440 of 2375

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In this activity, learners make flipbooks of drawings showing the progression of a Total Solar Eclipse.

1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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In this environmental health activity, learners investigate their breathing and pulse rates, and learn how these measurements are affected by physical activity.

1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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In this activity, learners explore temperature changes from chemical reactions by mixing urea with water in one flask and mixing calcium chloride with water in another flask.

$1 - $5 per group Ages 4 - adult Under 5 minutes
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This is a demonstration you can use to show learners how valves and pumps work in concert to move blood through the circulatory system.

1 cent - $1 per group Ages 6 - 14 5 to 10 minutes
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In this activity (page 59 of the PDF), learners spin and observe false eyelashes in jars of water (prepared at least 1 day ahead of time) to investigate the effects of different types of motion on the

$1 - $5 per group Ages 8 - 18 45 to 60 minutes
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In this activity (on page 2 of the PDF under GPS: Cactus Activity), learners will develop their own version of a tool used by biologists, a dichotomous key, by collecting all their left shoes.

free Ages 8 - 14 10 to 30 minutes
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This activity has learners interacting with live crayfish, but could be adapted for a variety of similar hardy and interesting organisms.

Over $20 per group Ages 4 - adult 10 to 30 minutes
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In this activity on page 15 of the PDF, discover how materials and physical forces behave differently at the nanoscale.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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In this activity, learners make their own flip book that shows real solar flares erupting from the Sun in November 2000. Step-by-step instructions are included with photos.

$1 - $5 per group Ages 6 - adult 5 to 10 minutes
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The Ancient Egyptians used a naturally-occurring salt from the banks of the Nile River, called natron, to mummify their dead.

$5 - $10 per group Ages 8 - 18 1 to 4 weeks
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In "Exploring the Solar System: Mars Rovers," participants learn about how scientists and engineers use robotic rovers and other vehicles to explore distant worlds, and experience some of the challeng

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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In this activity, learners are challenged to build a bird feeder using recycled materials from home and are encouraged to problem solve during the extensions.

$5 - $10 per student Ages 6 - adult 30 to 45 minutes
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This is an activity to do when there is a solar eclipse!

1 cent - $1 per group Ages 8 - adult 1 to 2 hours
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In this activity, learners will explore the ways natural materials can produce sounds. Appropriate for any age, learners can make individual music or create a symphony with others.

free Ages 4 - adult 10 to 30 minutes
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In this activity (page 7 of the PDF), learners will investigate the contents of owl pellets. Learners will discover how owls digest their food as well as the kind of animals they eat.

$5 - $10 per student Ages 8 - 14 30 to 45 minutes
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In this activity (on page 2 of the PDF under GPS: Luge Activity), learners will construct a model hovercraft out of an empty spool and a piece of cardboard.

1 cent - $1 per student Ages 8 - 14 45 to 60 minutes
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An outdoor scavenger hunt helps learners consider the theme of "What Is Life?" Learners explore what living organisms are, including how organisms meet basic needs of food, shelter and water to surviv

$1 - $5 per student Ages 6 - 14 45 to 60 minutes
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In this activity on page 15 of the PDF, learners measure the amount of bubbles that they make using a detergent.

$1 - $5 per student Ages 8 - 14 30 to 45 minutes
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Bones are stiff, which helps us lift heavy things and walk around, but they are also somewhat flexible, which lets them bend slightly.

$10 - $20 per group Ages 8 - adult 30 to 45 minutes
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In this activity, learners explore inertia as they attempt to whip a strip of paper out from under two coins dangling on the rim of a water glass.

free Ages 6 - 14 5 to 10 minutes