Create the perfect conditions for osmosis. Young scholars use a microscope to observe plant cells exposed to distilled water or sodium chloride. They observe how osmosis creates turgid or plasmolyzed cells.

This project challenges you to think like a politician (and a scientist.), and try to ascertain what factors are most important as individuals make their decision on how to vote. For example, is it what is being said, or who is saying it?

Ever try to tear a telephone book in half? Even though you can easily rip one or a few pages to shreds, the entire phone book has strength in numbers and holds together. This project is an introduction to measuring and comparing the...

This project investigates the phenomenon of apparent motion by making your own flip-book animations. This optical illusion experiment, while fun and short, will prove to be a very eye opening experience.

Sudoku puzzles have become extremely popular over the past couple of years. You can find books of puzzles for beginners to experts, and many newspapers print Sudoku puzzles daily. This project challenges you to write a computer program...

The survival of our ancient ancestors depended on their ability to use peripheral vision to find prey and to avoid predators. Almost everything we do-from riding a bike, to dribbling a basketball, to reading a book-depends on peripheral...

From an online teacher demonstration book. Includes a description and explanation of five demonstrations on a variety of magnetism topics. Interesting and captivating demos.