Search Results


Showing results 781 to 800 of 969

Source Institutions
Add to list Details
In this activity, learners design, build, test and redesign a display tower that will meet a specific set of criteria and constraints.

$10 - $20 per group Ages 8 - 18 2 to 4 hours
Add to list Details
In this activity about encryption, learners cut out a secret decoder badge from a handout and use it to encode messages to each other.

1 cent - $1 per student Ages 8 - 14 30 to 45 minutes
Source Institutions
Add to list Details
This is an activity (located on page 3 of the PDF under Self-Assembly Activity) about self-assembly, the ability of molecules to assemble themselves according to certain rules.

$10 - $20 per group Ages 8 - 14 1 to 2 hours
Source Institutions
Add to list Details
In this activity, learners find the answer to the question, "if you have a pile of 8 cards, and you remove half, then half again, how many times can you do this until you get to just one card?" This w

1 cent - $1 per group Ages 6 - 18 5 to 10 minutes
Source Institutions
Add to list Details
In this design challenge activity, learners build a car that can travel at least four feet using rubber band power and use the design process to debug problems.

$1 - $5 per student Ages 8 - 14 30 to 45 minutes
Source Institutions
Add to list Details
In this activity, learners will discover how to make butter from scratch. One optional tips includes adding marbles to speed up the process.

$1 - $5 per group Ages 4 - 18 30 to 45 minutes
Add to list Details
Learners compare the properties of two balls that appear identical. One ball bounces, while the other ball "thuds." The “bounce” ball is made of the polymer polybutadiene (-C4H4-).

Over $20 per group Ages 6 - adult Under 5 minutes
Source Institutions
Add to list Details
Make a kite out of a garbage bag, shower curtain, painting tarp--anything light, thin, flexible and plastic!

1 cent - $1 per student Ages 6 - 14 45 to 60 minutes
Source Institutions
Add to list Details
In this sports-themed engineering activity, learners create super bouncy balls out of balloons. Learners brainstorm, test their designs, and share results.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
Source Institutions
Add to list Details
In this activity (on pages 4-5), learners make fake snow by adding water to the super-absorbant chemical from diapers, sodium polyacrylate.

1 cent - $1 per group Ages 6 - adult 10 to 30 minutes
Source Institutions
Add to list Details
In this engineering design challenge, learners make a bubble maze that allows bubbles to move through a series of “on” and “off” switches.

$5 - $10 per group Ages 4 - 18 1 to 2 hours
Source Institutions
Add to list Details
In this optics activity, learners make a "light fountain" from a clear plastic bottle, flashlight, and other simple materials.

1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
Source Institutions
Add to list Details
In this activity, learners work individually to assemble a product and then work in teams to design, construct, test, and redesign an assembly line process whose product must meet specific quality con

$1 - $5 per group Ages 8 - 18 1 to 2 hours
Source Institutions
Add to list Details
In "Exploring the Universe: Exoplanet Transits," participants simulate one of the methods scientists use to discover planets orbiting distant stars.

1 cent - $1 per student Ages 6 - 14 5 to 10 minutes
Source Institutions
Add to list Details
In this interdisciplinary activity, learners create a Space Weather Action Center (SWAC) to monitor solar storms and develop real SWAC news reports.

Over $20 per group Ages 8 - 14 4 to 24 hours
Source Institutions
Add to list Details
In this activity, learners are challenged to design and construct a windmill to harness the power of wind.

Over $20 per group Ages 8 - 18 30 to 45 minutes
Source Institutions
Add to list Details
In this series of activities (page 5), students are introduced to the design process.

$10 - $20 per group Ages 11 - 18 2 to 4 hours
Source Institutions
Add to list Details
In this online Flash game, learners will captain a sailing challenge, adjusting boat direction and sails, seeking the way to take greatest advantage of varying wind speeds and directions to catch the

free Ages 6 - 14 5 to 10 minutes
Source Institutions
Add to list Details
The purpose of this plant biotechnology activity is to demonstrate the effect of changes in the environment on the growth and fertility of landscape grasses and crop grasses such as wheat and rice.

$10 - $20 per group Ages 11 - 18 45 to 60 minutes
Source Institutions
Add to list Details
In this three/four-day lesson, learners calculate perimeters and areas and draw the castle plan to scale.

$5 - $10 per group Ages 8 - 14 1 to 7 days