Search Results


Showing results 721 to 740 of 1523

Add to list Details
In this activity, learners investigate the movement caused by dispersion. Learners discover that dispersion is the random movement of objects.

1 cent - $1 per group Ages 8 - 11 1 to 7 days
Source Institutions
Add to list Details
In this activity (page 23 of PDF), learners conduct an experiment to determine how the size and mass of a projectile affects the area and the volume of an impact crater.

$10 - $20 per group Ages 8 - 14 45 to 60 minutes
Source Institutions
Add to list Details
In this lab, learners experience how dolphins and other echolocating animals use their senses to locate and identify objects without using their sense of sight.

$10 - $20 per group Ages 14 - 18 45 to 60 minutes
Source Institutions
Add to list Details
This activity about cryptographic techniques illustrates how to accomplish a simple, but nevertheless seemingly impossible task—making a fair, random choice by flipping a coin between two people who d

$1 - $5 per group Ages 8 - 18 30 to 45 minutes
Source Institutions
Add to list Details
In this lab, learners evaluate the relative effectiveness of various chemical substances (i.e. garlic powder, bathroom cleaner, mouthwash, etc.) as antimicrobial agents.

$5 - $10 per student Ages 11 - 18 4 to 24 hours
Add to list Details
In this activity about flight, learners explore how high they can jump. Learners dip their finger in ink or dirt, then jump as high as they can and mark paper attached to the wall.

1 cent - $1 per group Ages 8 - 14 30 to 45 minutes
Source Institutions
Add to list Details
In this outdoor activity, learners plan a simple foot path and create an environmental impact study of the natural area where the path would be.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
Source Institutions
Add to list Details
In this activity, learners will explore how product barcodes are scanned accurately and be able to "guess" the last number in a 13 digit barcode correctly every time.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes
Source Institutions
Add to list Details
Using indirect observational methods, learners distinguish between charged and uncharged objects.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
Source Institutions
Add to list Details
Build a house you can fit inside, using cardboard tubes.

1 cent - $1 per group Ages 6 - 14 45 to 60 minutes
Source Institutions
Add to list Details
In this activity, learners explore what is and is not active play and how it contributes to a healthy body and mind. Making active play a routine part of every day is a key concept of the experience.

1 cent - $1 per group Ages 4 - 8 45 to 60 minutes
Source Institutions
Add to list Details
In this activity, learners will test cups full of potting soil, sand, and sphagnum moss to see which earth material is able to soak up the most water.

$5 - $10 per group Ages 8 - 14 1 to 2 hours
Source Institutions
Add to list Details
This is an activity about turbidity, or the amount of sediment suspended in water.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
Add to list Details
Learners investigate why the Sun and Moon appear the same size in the sky even though the Sun is over 400 times larger in diameter.

1 cent - $1 per group Ages 8 - 11 10 to 30 minutes
Source Institutions
Add to list Details
In this math lesson, learners apply the Monte Carlo method of simulation to determine a reasonable estimate.

$1 - $5 per group Ages 11 - 14 45 to 60 minutes
Source Institutions
Add to list Details
In this chemistry activity, learners use common chemicals and metals to explore single replacement reactions.

$1 - $5 per student Ages 11 - 18 10 to 30 minutes
Source Institutions
Add to list Details
In this math lesson, learners design an experiment to model a leaky faucet and determine the amount of water wasted due to the leak.

1 cent - $1 per group Ages 11 - 14 45 to 60 minutes
Add to list Details
Learners test two jars of ice water, one covered and one open, for changes in temperature. After placing the jars in the sun, learners discover that the covered jar cools down more slowly.

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
Source Institutions
Add to list Details
In this math activity, learners read "The Button Box" by Margarette S. Reid and then make their own button boxes filled with different buttons.

$5 - $10 per group Ages 6 - 8 1 to 2 hours
Source Institutions
Add to list Details
In this activity about the circulatory system and space travel (on page 38 of the PDF), learners use water balloons to simulate the effects of gravity and microgravity on fluid distribution in the bod

$1 - $5 per group Ages 8 - 14 45 to 60 minutes