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K-12 Water Module

NEW Explain it with Molecules- Why does ice float?-- How does soap work? -- Why is diamond so hard?-- Why do carcinogens like nicotine cause cancer? -- Why is a salt crystal cubic in shape? -- This is an interactive activity using the JMol applet which allows students to interact with molecules. No plug-in is needed.

Water Module
This module contains information on water and
ice, MPEG files of water simulations...
MathMol Interactive Textbook
There are two textbooks available. An
elementary school and a middle/HS version.
 Quick Tour
 What is molecular modeling? Why is molecular
important? Why the math in MathMol?
Java and Shockwave
Hundreds of java applets (chemistry, physics,
Earth Systems, Mathematics...
Molecular Modeling Software 
Free Molecular Modeling software
that can be used in school or at home....
Math and Science Tests  
Practice State Tests, SAT's , ACT
tests that are available online...
Chime Interactive Molecules  
Start learning about molecules interactively using
the public domain software Chime...
Structural Databases
A list of databases with structures in the *.pdb
format that can be used by CHIME.
Library of 3-D Molecules
The library contains PDB and VRML files for:
water, ice, amino acids, molecules of life, drugs...
 Concepts in Science
Water, Photosynthesis, Carbon, Mathematics


Edinformatics Testing Page

Do you think you know your math and science?
Try taking a sample TIMSS Test.

Math and Science Reviews

Mass, Volume and Density
Review mass, density and volume. Contains interactive javascripts that test your knowledge as you move through the activity. Don't forget to try the Challenge questions at the end.

Scientific Notation
Want to get a head start with scientific notation or just a review? This is one topic that you will continue to see all through high school and college..