Science Fair projects on solar energy
|Time Required||Quick (2-5 days)|
|Material Availability||Niche electronic devices elements needed, see record for details|
|Expense||Minimal ($20 - $50)|
AbstractSolar cells tend to be an alternative solution way for producing electrical energy directly from sunshine. With this particular project, you could get right down to the atomic degree and understand the world of solid-state electronics as you investigate how solar cells work. Your experiment will assess the effect of altering light-intensity on power production from solar mobile. A potential difference is always to explore the effect of changing along with of light.
The purpose of this test should regulate how alterations in incoming light intensity impact the result of solar panels.
Andrew Olson, PhD, Science Buddies
Edited by Ben Finio. PhD, Science friends
This task is founded on:
Science Buddies Team. "How Exactly Does Solar Cell Result Differ with Incident Light-intensity?" Science Buddies. Science Buddies, 13 Oct. 2015. Web. 12 Apr. 2016
Science Buddies Team. (2015, October 13). Retrieved April 12, 2016 from
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Solar cells tend to be electronics that can transform light energy into an electrical current. Solar panels tend to be semiconductor products, which means that obtained properties which are intermediate between a conductor and an insulator. Whenever light for the right wavelength shines from the semiconductor product of a solar mobile, the light produces a flow of electrons. This can be referred to as photoelectric result. Little solar panels, just like the one used in this task, can be utilized in circuits to fee battery packs, power a calculator, or light an LED (light emitting diode).
In this project, you'll measure the open-circuit existing and short-circuit current from a solar cell. How do you think these values will change if you change the brightness of a light light bulb familiar with power the solar power cell?
Terms and ideas
To get this done task, you should do research that permits that comprehend the after terms and concepts:
BibliographyThis webpage is a great place to start for information about how solar cells work: Watch this NOVA video clip to find out more information regarding solar panels and other alternative energy sources: with this web page you can develop virtual circuits with battery packs and resistors, after that test your circuit by throwing a switch to light up a bulb. If there is too much current, the digital bulb blows up, too little present, together with bulb won't light. When you get the existing right, the light bulb glows brightly. These pages has actually many information regarding incandescent light bulbs: This webpage has of good use home elevators LEDs:
Information Prey On This TopicNote: A computerized matching algorithm implies the aforementioned articles. It isn't as smart when you are, therefore may sometimes provide humorous, absurd, and on occasion even annoying outcomes! Learn more about the News Feed
Products and Equipment
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- Create your test as shown in Figure 1.
- Establish the lamp a fixed height over the solar power mobile on a-flat surface. The distance does not matter so long as you ensure that is stays constant for the research (as an example, 30 cm).
Figure 1. Experimental setup because of this task.
- Ready a data table inside laboratory laptop to record light bulb wattage, brightness in lumens (these details should-be available on the lamp package), open-circuit current, and short-circuit existing for solar mobile.
- Insert your lowest-wattage bulb in to the lamp.
- Simply take at least three readings regarding the open-circuit voltage regarding the solar power mobile and record them in your lab notebook.
- Take at the very least three readings associated with the short-circuit existing of this solar mobile and record them in your lab notebook.
- Insert your next highest-wattage bulb in to the lamp and perform measures 4–5.
- Perform steps 4–5 for every of continuing to be bulbs.
- Determine normal values for every single group of tracks inside data dining table.
- Make two scatter plots, one of open-circuit voltage vs. bulb brightness in lumens, and something of short-circuit current vs. light bulb brightness in lumens. How exactly does the solar cell production change as brightness regarding the light modifications? Does this suit your predictions?