Mechanical and Electrical Science
Edison Kids Power Lab- Designed for elementary students, this site offer safety lessons, information and conservation games related to electricity.
Crocodile Clips- Here is a free download that provides a simulation for electricity.
Pitsco-Download
the official competition rules for entering student-designed
Architectural
Modeling, Balsa
Gliders
Boats
Bridges
CNC
Dragsters CO2
Dragsters Custom
Cruisers
Earthquake
Engineering Egg-Drop
Vehicles E-Circuits
Electric
Vehicles
Foam-Wing
Gliders Hot-Air
Balloons Hydro
Rockets Kites
Laser
Light Shows MagLev
Vehicles Mission
Possible Monster
Pull Mousetrap
Vehicles Paper
Airplanes Paper
Racers Parachutes
Powered
Airplanes
Quiz
Bow Robots
Solar
Vehicles Solid-Fuel
Rockets Toothpick
Bridges
Towers
Weather
Prediction
Whitewings
Building Big- This "Flash" animated sited shows students the effects of forces, loads, and shapes.
Eheads- Flash animation provides fun explorations of over 50 different Simple Machines, from the super simple to the hideously hard!
Electricity and Magnetism Scavenger Hunt- Here is a middle or high school scavenger hunt for answers to questions, with links to sites containing the answers.
Amazing Robot Museum- Organized by period, here is information and more related to robots.
How Stuff Works- Elementary and older students can find out how diesel, two stroke, four stroke, steam and turbine engines work, as well as electrical appliances, clocks, microwaves and lots, lots, more. Write for detailed explanations of How things work.
Sound
The Sound Site- This site's purpose is to present activities, discussions and multimedia explorations about sound, both from a scientific and artistic perspective. Find wonderful elementary sound activities.