SOLAR POWERED CARS

30 Мар 2014 | Author: | Комментарии к записи SOLAR POWERED CARS отключены
Lincoln Electric Cars

SOLAR POWERED CARS

How Can the Sun Power a Car?

Peggy how a solar car is made and follows the Motors Solar Car Sunrayce.

are the benefits and drawbacks of solar cars?

Would people money and energy if more on the road?

Would you want to a trip across the country in

DISCUSSION

Solar power from the energy of our Sun, a dwarf star located 93 miles from the Earth. It is a mid-size star compared to the of other stars in the universe.

The of the Sun is a region very high in and filled with dense The Sun’s core is estimated to be 27 million degrees Fahrenheit. and light from the Sun are produced a process called nuclear .

Sunlight is an excellent energy and the future of using solar is very exciting. The Sun’s can be used to heat and cool generate electricity, operate and navigation systems and even solar cars, like the in the General Motors Solar Car featured in the Newton’s Apple

Solar-powered cars all get their from the same place the Sun. The cars use hundreds of cells to convert sunlight electricity. Each cell about one-half volt of

When the Sunrayce teams their electrical systems have to allow for variations in The Sun’s energy powers the motor and charges a battery for use the Sun is hidden by a cloud. If a car is designed to put all of its toward driving and keeps in reserve, it will stop in cloudy weather.

If too much is diverted to the battery, the engine too slowly to keep up in the race.

and scientists still have questions and problems to tackle solar power becomes an and economical way to fuel vehicles. But as the on fossil fuel resources research will continue to for alternative energy sources, harnessing the Sun’s energy to a vehicle. The most exciting of using solar power as an source is that it is pollution and inexhaustible.

If research continues, one day solar may replace today’s combustion cars!

Things to Talk

How did the team approach to designing and the Northern Light car in the Newton’s segment work? What was the challenge in the race?

What things already use solar for energy?

What other of energy are as pollution free as energy? What are these sources used for?

—Referring to the Sun.

Solar —An object that the Sun’s energy.

Nuclear —The process by which the Sun heat and light.

Fossil —Coal, oil and natural gas. that have been by the decay of the remains of ancient and animals — in a sense are a form of buried sunshine.

Solar Panel —A that captures the Sun’s so it can be used for heating and other

Resources

Asimov, Isaac. How Did We Out About Solar Power? New Walker and Company, 1981.

Ed. Solar Power. New Jersey: Burdett Company, 1982.

Steve and Adamson, Wendy W. Sun Facts About Solar Minneapolis: Lerner Publications,

Additional Sources of Information

c/o General Motors Attn: McCristal GM Building Detroit, MI (313) 556-2025

Electric Research Institute

Transportation Office P.O. Box 10412 Alto, CA 94303

U.S. of Energy Conservation and Renewable 1000 Independence Avenue, Washington, DC 20585

Activity

Start Your Engines!

You can your own solar powered and race them just in the GM Solar Car Sunrayce!

Main

Build a custom-designed vehicle by photovoltaic cells.

Materials:

Lincoln Electric Cars

4 small solar

Small 1 1/2 volt motor

1. Place the solar cells by side.

2. Connect them in a by twisting the negative and the positive of one cell to the next cell.

3. the motor to the remaining positive and wires.

4. Attach the propeller to the Observe how fast it turns.

5. a custom body for the car. your’s with your

6. Try a few time trials to see whoХs car is How can you modify your car to make it go

Questions

1. What would if you used more cells? placement of the cells affect the of the motor?

2. Does the arrangement of the affect the design of your How could you arrange the cells to the car more efficient?

3. Do you have any items at home? Where could solar cells be at home? At school?

*Adapted with permission materials of the Science Weekly.

other uses of solar Contact your local company and ask them about heating and cooling systems. the costs of using solar to natural gas and electricity.

Prepare an budget and see which energy is the most economical.

Discover how and heat can be used as energy. Try one pie pan half full with sand and another half with dark soil. a thermometer in each pan with the just below the surface. the temperatures for both pans.

pans at an equal distance a lamp with a 150-watt bulb. Turn the light on and for five minutes. Test the in both pans and record findings. Are the pans the same What would happen if the were further away the light?

How could scientists use energy?

A radiometer is an instrument that radiant energy. See if your has one you can use to study light. What if it is put in front of a light source? If you the light with your what happens? What of energy do the moving vanes

Why are the vanes black and white? powers the radiometer?


Tapes of episode of Newton’s Apple and are available from GPN for only

Lincoln Electric Cars
Lincoln Electric Cars
Lincoln Electric Cars
Lincoln Electric Cars
Lincoln Electric Cars

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