Search Results


Showing results 241 to 260 of 264

Add to list Details
In this lab activity, learners act as fellow scientists and colleagues of Isaac Newton. He has asked them to independently test his ideas on the nature of motion, in particular his 2nd Law.

$10 - $20 per group Ages 14 - 18 45 to 60 minutes
Source Institutions
Add to list Details
This lab activity is about toxic substances like pesticides and their effects on biological systems. The activity starts with an introduction of how birds sequester calcium to make an egg.

$10 - $20 per group Ages 14 - 18 1 to 7 days
Source Institutions
Add to list Details
In this invention challenge activity, learners create an indoor game for one or two people that gets you moving.

$10 - $20 per group Ages 8 - 14 30 to 45 minutes
Source Institutions
Add to list Details
This demonstration can be used to help learners visualize DNA by lysing (breaking open) bacterial cells on a slide and “stringing up” the DNA with a toothpick in less than one minute.

$10 - $20 per group Ages 11 - 18 5 to 10 minutes
Source Institutions
Add to list Details
In this activity, learners explore how infrared technology is used by engineers to create equipment and systems for a variety of industries.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
Source Institutions
Add to list Details
In this activity, learners demonstrate and discuss simple circuits as well as the differences between parallel and serial circuit design and functions.

$10 - $20 per group Ages 8 - 14 45 to 60 minutes
Source Institutions
Add to list Details
In this experiment, learners investigate how the size of a wing affects lift. Learners count the number of pennies an egg crate plane wing can hold until the plane will no longer fly.

$10 - $20 per group Ages 8 - 11 45 to 60 minutes
Source Institutions
Add to list Details
In this activity, learners explore how engineers have met the challenge of keeping foods, liquids, and other items cool.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
Source Institutions
Add to list Details
In this outdoor activity and game, learners explore how animals adapt for survival through coloration, markings and camouflage.

$10 - $20 per group Ages 6 - 14 45 to 60 minutes
Source Institutions
Add to list Details
This laboratory exercise is designed to show learners how DNA can easily be extracted from lima bean bacteria. This experiment requires the use of a centrifuge (not included in cost of materials).

$10 - $20 per group Ages 11 - 18 45 to 60 minutes
Source Institutions
Add to list Details
In this demonstration, learners observe how liquid nitrogen both boils and freezes ingredients to make ice cream in two minutes.

$10 - $20 per group Ages 6 - 14 Under 5 minutes
Add to list Details
Build your own version of the classic physics toy using simple materials.

$10 - $20 per student Ages 8 - 18 1 to 2 hours
Source Institutions
Add to list Details
In this activity, learners explore the function and engineering of dams and how dams have many uses and solve many problems in the world.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
Source Institutions
Add to list Details
In this activity, learners explore the history, design and motion of spinning tops. Learners work in teams of "engineers" to design and build their own tops out of everyday items.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
Source Institutions
Add to list Details
In this activity, learners work in NASA teams to build balloon-powered rockets using identical parts and compete to launch the greatest number of paper clips to "space" (the ceiling).

$10 - $20 per group Ages 8 - 14 1 to 2 hours
Source Institutions
Add to list Details
This laboratory exercise is designed to show learners how DNA can be extracted from a chunk of thymus (sweetbread) or liver.

$10 - $20 per group Ages 11 - 18 45 to 60 minutes
Source Institutions
Add to list Details
In this activity, learners are divided into teams.

$10 - $20 per group Ages 14 - 18 2 to 4 hours
Add to list Details
In this activity, learners explore color, light and shadow by creating their own puppets to hold in front of a light source.

$10 - $20 per group Ages 4 - 6 10 to 30 minutes
Source Institutions
Add to list Details
Learners examine the properties of light by experimenting with an LED-flashlight and polarizing filters. When two polarizers are used, they block all light when they are placed at right angles.

$10 - $20 per group Ages 11 - 14 10 to 30 minutes
Source Institutions
Add to list Details
This guided inquiry three-part activity engages learners in thinking about the mechanism of natural selection by encouraging them to formulate questions that can be answered through scientific investi

$10 - $20 per group Ages 11 - 18 2 to 4 hours