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Java and Flash Applets


Cells Alive, Pairing DNA bases, axon potential simulator, Virtual Frog Dissection, Human Gait Analysis...


Sketch--and view molecules, Chem Balancer, Acid - Base Titration, Thermodynamics, Pressure Chambers...

HIGH SCHOOL CHEMISTRY The chemistry applets selected here target a high school population although. In addition, most of these applets contain instructions and student activities.


Lennard-Jones Molecular Dynamics, Peptide synthesis animation, chime molecular modeling tutorials...

JUST MOLECULES Applets of Molecules and Molecular Orbitals


Mechanics, Levers, Pulleys, Inclined Planes, Pendulum, Light and Optics, Electricity and Magnetism...


Sun, moon and earth, Azimuth and Elevation, Earth Interior, Impact Crater, Atomic Emission, Planetary Detection...


Pythagorean Theorem, Probability Theorem, Pascal'sTriangle, Integration Applet, Vectors, Virtual Abacus...


Fractal Coastlines, The Anthill and Molecular Motion, Forest Fires and Percolation, Mathematics and Molecules...


Exploring Graphs and Functions, Graphing Calculators, Roman Number Calculator, Learn about functions...


Learn Alphabets, Word Search Game, Bahasa Pages, Ancient Greek Applet...


Virtual Pool, Lunar Lander, Train Set, Carpet Golf, Snowflake Designer, Virtual Rubrik Cube...


Build a Sentence, Exact Change please, Base ten counter, Juniper Green (multiplication and division)...

 Subject Area Java Applets and Javascript Activities

Mass Volume and Density:

Mass - Measure the mass of an object using a triple beam balance.
Mass vs. Weight - Measure volume using a graduated cylinder.
Volume - Measure volume using a graduated cylinder.
Density of a Solid - Learn to calculate the density of an unknown solid from knowing its mass and volume.

Density of a Liquid - Learn to calculate the density of an unknown liquid from knowing its mass and volume using a graduated cylinder and triple beam balance. Learn what a hydrometer is, and what it can do.
Density Challenge -Great page for gifted and talented students! Some excellent challenging problems.
Assessment on Density- Twenty questions on mass, volume and density (two levels of difficulty). Your test is marked online.More Applications on Using Density -- Art -- Math and Science
Using the Gates Project - An integrated math, art and science activity with photos from the work of celebrated artists Christo and Jeanne-Claude Gates Project in Central Park

Physical and Chemical Properties

States of Matter - What are the four states of matter? What is the 5th state of matter?

Physical Change - What are physical properties? What is a physical change?
Chemical Change - What are chemical properties? What is a chemical change?
Assessment - Try this javascript test to assess your knowledge -- physical change or chemical change?

Types of Mixtures

Solutions - What are solutions, examples of solutions, strength of solutions, what is the universal solvent?
Suspensions, Emulsions and Colloids - What are suspensions, emulsions and colloids. Examples of colloids
Summary Sheet - Summary page comparing solutions, suspensions, emulsions and colloids in easy chart form.
Final Assessment - Multiple choice quiz on solutions, suspensions, emulsions, and colloids

Simple Machines

Lever, Screw, Wedge, Inclined Plane, Wheel and Axle, Pulley
What is Mechanical Advantage?
Assessment Test

Molecular Modeling using Jmol

Part I -- Simple modeling using water, aspirin and hydrocarbon (Wireframe, Stick, Ball and Stick and Space Filled Models)
Part II -
Modeling using water, ice, diamond, graphite and salt/
Part III - Activity Sheet

MathMol Activity 1 -- A three part activity -- What is the Relationship between Molecular Modeling and Mathematics
Part II - Measuring angles and distances within molecules
Part III - Geometric shape of molecules

Explain it with Molecules

Water - Why is water such a good solvent?
Ice - Why does ice float?
Methane - What is the geometry of methane?
Salt - Why do table salt crystals have a cubic shape?
Carbon Monoxide - Why is carbon monoxide so dangerous?
Soap - How does soap work?
Graphite - Why is graphite soft and diamond so hard if both are just carbon?
Fullerene - Why is the fullerene and similar structures the cornerstone of nanotechnology? How big is a nanotube?
Fullerene II - What is the approximate diameter of a BuckyBall ?
DNA Strand - Why do carcinogens like nicotine cause cancer?
How do Drugs Work?

Practice International Math and Science Tests (TIMSS)

TIMSS Population 1 (Third and Fourth Grade Mathematics):
TIMSS Population 2 (7th and 8th Grade Mathematics):
TIMSS Test -- Population 3 (Grade 12 Advanced Mathematics):
TIMSS Test Population 1 (Third and Fourth Grade Science):
TIMSS Test -- Population 2 (Seventh and Eighth Grade Science):
TIMSS Test --Population 3 (Grade 12 General Mathematics and Science):

Solar System

The Solar System | Introduction | Our Solar System | Sun | Mercury | Venus | Earth | Moon | Mars | Asteroid Belt | Jupiter | Saturn | Uranus | Neptune | Pluto |

Scientific Notation

Introduction - Learn the basic principles of scientific notation. Convert standard numbers to scientific notation.
Scientific Notation Generator - Javascript program will enable you to practice converting any number from basic notation to scientific notation.
Multiplication with Scientific Notation - Learn multiplication using scientific notation, with positive and negative exponents.
Division with Scientific Notation - Learn division using scientific notation with positive and negative exponents.
Word Problems using Scientific Notation - Mixed multiplication/division problems, word problems using scientific notation


Questions or Comments?
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