Build an oscillator circuit with an operational amplifier! This simple circuit illustrates several important circuit concepts. The light will blink at a frequency determined by the values of the resis...Read More
Demonstrate the principle that a circuit must be complete for current to flow. Try to maneuver the wand along the wire without touching! If you touch, the circuit is completed and the light turns on. ...Read More
Light up an LED in one circuit without even touching the circuit with the battery! The completed wireless system in operation! Skills and concepts explored: Electromagnetism Induction Electricity and ...Read More
Build your own solar cooker out of household materials! The completed solar cooker! Skills and concepts explored: Heat Reflectivity Solar Energy Recommended Age Group: 4th grade and up Instructions...Read More
Learn a simple and low cost way to filter contaminants from water. CAUTION: Filtration alone does not make water safe to drink! The completed filtration unit! Skills and concepts explored: Filters Bac...Read More
Build this “train” and watch it shoot down the track! Our battery powered train! Our train located at the start of the track! Skills and concepts explored: Electricity Induction Magnetism ...Read More
Finished LED Flashlight Skills and concepts explored: Electricity LEDs Resistance Recommended Age Group: 4th grade and up Internal circuit of flashlight Instructions 1 LED Flashlight Powerpoint ...Read More
Make the diver descend by squeezing the bottle. Just like a submarine! Completed project (the diver is at the bottom!) Skills and concepts explored: Pressure Vacuums Recommended Age Group: Any! Instru...Read More
Build a simple spectrometer from a cereal box and an old CD. This project based on http://www.cs.cmu.edu/~zhuxj/astro/html/spectrometer.html A group of students using their spectrometers to view burn...Read More
Make your own 3D pictures and view them! Finished product! Skills and concepts explored: Optics 3D Vision Recommended Age Group: Any! You will need 3D glasses for this project – available for ~$...Read More