Search Results


Showing results 181 to 200 of 537

Source Institutions
Add to list Details
This lesson will helps learners answer the question: How does the bombardment of micrometeoroids make regolith on the moon?

$10 - $20 per group Ages 8 - 11 45 to 60 minutes
Add to list Details
In this investigation learners explore the differences between, and interdependence of, living and nonliving elements in a water ecosystem.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
Source Institutions
Add to list Details
In this sunny day experiment, learners measure and compare how quickly light and dark colored materials absorb heat.

$5 - $10 per group Ages 8 - 14 10 to 30 minutes
Source Institutions
Add to list Details
In this activity about daily rhythms (on page 17 of the PDF), learners will explore circadian patterns in humans, animals and plants.

$1 - $5 per group Ages 8 - 14 1 to 7 days
Add to list Details
In this investigation, learners explore the force known as buoyancy by placing various objects into water and observing how they behave (for example, which sink more quickly, which float, how much wat

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
Source Institutions
Add to list Details
In this activity (located on page 10 of the PDF), learners explore the properties of spraying and dripping water, while making art.

$5 - $10 per group Ages 4 - 8 10 to 30 minutes
Source Institutions
Add to list Details
In this demonstration/experiment, learners discover that different colors and materials (metals, fabrics, paints) radiate different amounts of energy and therefore, cool at different rates.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
Source Institutions
Add to list Details
In this kinesthetic activity that demonstrates pressure, learners act as air molecules in a "container" as defined by a rope.

free Ages 8 - 14 10 to 30 minutes
Source Institutions
Add to list Details
What causes frost to form on the outside of a cold container? In this activity, learners discover that liquid water can change states and freeze to become ice.

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
Source Institutions
Add to list Details
In this two-part outdoor activity, learners conduct a population census of squirting clams on a beach or mudflat, and investigate the clams' natural history.

$5 - $10 per group Ages 8 - adult 1 to 2 hours
Source Institutions
Add to list Details
In this activity (located on page 9 of the PDF), learners are introduced to Aesop's fable, "The Crow and the Pitcher." In the story, a clever crow drops pebbles into a pitcher to cause the water level

free Ages 6 - 11 45 to 60 minutes
Source Institutions
Add to list Details
This lesson familiarizes learners with the term "tropical belt." First, learners locate the equator, Tropic of Cancer and Tropic of Capricorn on a map and trace these lines with a crayon.

$1 - $5 per group Ages 4 - 11 45 to 60 minutes
Add to list Details
In this data analysis activity, learners use data collected by the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) to study Chilean sea bass populations.

$1 - $5 per student Ages 14 - 18 1 to 2 hours
Source Institutions
Add to list Details
In this activity, learners explore sensors and focus specifically on how to measure humidity using a sensor.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
Source Institutions
Add to list Details
In this activity, students will learn some key information about a San Francisco native animal and then write a firsthand account of their experience from the perspective of that animal in the time be

free Ages 8 - 11 30 to 45 minutes
Source Institutions
Add to list Details
This activity attempts to clear up the common misconception that deserts are always hot, totally dry, and uninhabitable.

$1 - $5 per group Ages 4 - 11 30 to 45 minutes
Add to list Details
In this activity, learners make an equatorial sundial, which is simple to construct and teaches fundamental astronomical concepts. Learners use the provided template and a straw to build the sundial.

1 cent - $1 per group Ages 11 - 18 2 to 4 hours
Add to list Details
In this activity, learners role-play the part of lake inhabitants and the aquatic exotics who displace the native species.

$10 - $20 per group Ages 8 - 14 45 to 60 minutes
Add to list Details
This activity provides a hands-on experience with a scale model, a relatively high viscosity fluid, and feeding behaviors.

$5 - $10 per group Ages 8 - 18 30 to 45 minutes
Source Institutions
Add to list Details
In this activity (on page 12 of the PDF), learners make a sundial (shadow clock) appropriate for their geographic location in the northern hemisphere and use it to tell time.

$1 - $5 per group Ages 8 - 14 1 to 7 days