Started by a School Science Teacher
tree frog

Solar Bullet Train


Build a solar-powered bullet train!
Manufacturer: OWI
Price:$14.00
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This is a built it yourself solar powered kit. All Aboard the fastest train under the sun! OWI is proud to introduce their Solar Bullet Train mini solar kit. This kit entices students and train enthusiasts alike to learn about the environmental benefits of renewable energy. Two interlocking cars attach to the engine, allowing young builders to focus on self-motivation, perseverance and manipulation. The Solar Bullet Train is an excellent beginner building kit designed to teach how solar power is used to drive a small motor. Its 18 parts snap together and are secured with only four screws. Train enthusiasts of all ages will enjoy building this amazingly fast eco-friendly train and watch it travel without rails.

What are Photovoltaic Cells Made From?

Silicon is the major material in the cells. Pure silicon crystals are poor conductors of electricity. Other elements are added to the silicon, such as, phosphorus and boron. When the energy from the sun hits the cell, the electrons in the elements begin to move around. The sun causes the panel to have a positive and negative side. This electrical difference causes electrons to flow through a diode.

What Factors Affect the Production of a Solar Cell?

The factors that most affect the production of a solar cells are the angle of the panel in relation to the sun, the peak wattage, the light intensity and the hours of sun exposure.

How is Wattage (or Power) Calculated?

The formula for power is   Power=Current X Voltage. Power is measured in watts, current in amperes and voltage in volts.

The Solar Science Kit has a small motor, photovoltaic cell and disc that works well in demonstrating this in a classroom or home setting.

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