Search Results


Showing results 821 to 840 of 1563

Source Institutions
Add to list Details
In this activity, learners will build a ball run contraption.

Over $20 per group Ages 8 - adult 30 to 45 minutes
Source Institutions
Add to list Details
In this activity, learners make their own pinhole viewer in order to measure the size of the sun.

$1 - $5 per group Ages 8 - adult 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners use sand and ice cubes to create a model of permafrost and the effects of the ice melting through the surface.

$1 - $5 per group Ages 8 - 18 45 to 60 minutes
Source Institutions
Add to list Details
In this physics activity (page 3 of the PDF), learners will move a load using a lever of each of the 3 classes. They will explore the differences between these classes and which are more effective.

$1 - $5 per group Ages 14 - 18 10 to 30 minutes
Source Institutions
Add to list Details
In this chemistry activity, learners use common chemicals to examine reactions that occur between two aqueous solutions.

$1 - $5 per student Ages 11 - 18 5 to 10 minutes
Source Institutions
Add to list Details
In this activity, learners explore the magnetic field of a bar magnet as an introduction to understanding Earth's magnetic field. First, learners explore and play with magnets and compasses.

$10 - $20 per group Ages 8 - 18 10 to 30 minutes
Source Institutions
Add to list Details
Some bugs can walk on the surface of a lake, stream, river, pond or ocean.

$1 - $5 per group Ages 8 - adult 5 to 10 minutes
Source Institutions
Add to list Details
In this activity, learners use candy pieces and a cookie to make an accurate model of the Sun they can eat. Parts of the delicious model include solar granules, sunspots, and solar prominences.

$1 - $5 per student Ages 6 - adult 10 to 30 minutes
Source Institutions
Add to list Details
When baseball was in its infancy, the ball had plenty of bounce. Today's baseball may not seem to have bounce to it at all; if you drop a ball on the field it won't bounce back.

1 cent - $1 per group Ages 8 - 18 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners design a scientific exploration mission to a planet or moon of their choice.

1 cent - $1 per group Ages 11 - adult 1 to 2 hours
Source Institutions
Add to list Details
In this activity, learners survey living organisms near where they live or go to school, and create a local field guide.

$1 - $5 per group Ages 6 - adult 30 to 45 minutes
Source Institutions
Add to list Details
In this activity, learners will discover how the thin layers of amphibians' skin allow water and other chemicals to pass through it.

$1 - $5 per group Ages 6 - adult 1 to 7 days
Source Institutions
Add to list Details
In this outdoor activity, learners go "can fishing" and discover the kinds of aquatic organisms that live in and on submerged cans.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
Source Institutions
Add to list Details
In this math activity related to light, learners assemble a photometer and use it to estimate the power output of the Sun.

1 cent - $1 per student Ages 14 - 18 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners create a large film of soap and experiment with what can and cannot pass through it.

$10 - $20 per group Ages 8 - 18 5 to 10 minutes
Source Institutions
Add to list Details
In this activity, participants will learn how stars form from the dust and gas that exists in space clumping together.

Over $20 per group Ages 4 - adult 5 to 10 minutes
Source Institutions
Add to list Details
In this activity, learners use bubbles to investigate the structure and unique properties of cell membranes. Bubbles serve as macroscopic models that mimic the cells' phospholipid bilayers.

$5 - $10 per group Ages 11 - 18 45 to 60 minutes
Source Institutions
Add to list Details
In this game, learners explore the different sizes of things in the world. In this Twister-like game, learners must place a hand or foot on a circle of the right scale - macro, micro, or nano.

$10 - $20 per group Ages 4 - adult 10 to 30 minutes
Source Institutions
Add to list Details
In this activity and demonstration about electricity and magnetism, learners observe how the current generated when one copper coil swings through a magnetic field starts a second coil swinging.

$10 - $20 per group Ages 8 - 18 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners create a necklace of wheat germ DNA. Learners add alcohol to wheat germ so that the DNA clumps together.

$10 - $20 per group Ages 4 - adult 5 to 10 minutes