STEAM ACTIVITY: SOLAR PANEL
Do you know about Solar Panel?
Have you ever observed the roof of a building? Have you ever seeen a box-shaped on the roof with reflected sunlight?
The image below is an example of a solar panel image
We now live an era where everything uses technology, one of the uses of technology is to produce energy, mainly electrical energy. Why electrical energy? Let's remember, from waking up to going back to sleep we will always need electricity, remember how panicked you were when the electricity went out? this shows the electrical energy is so important for us
Speaking of electrical energy, did you know that the State Electricity Company (PLN) is currently still using Diesel Power Plants (PLTD), Gas Engine Power Plants (PLTMG), and Hydro Power Plants (PLTA) as the largest sources of electrical energy. The most widely used power plants today are less environmentally friendly. Whereas electrical energy is predicted to be a clean energy source.
Analyze the sources of electricity used by PLN and their impact on the environment
Explain the basic reasons why it is so important to use environmentally friendly power plants
Indonesia is a tropical country and is traversed by the equator. Indonesia is blessed with abundant natural resources (SDA) and has advantages that other countries do not have. try to observe the environment around you and seek information from various sources about the advantages of Indonesia as a tropical country and as a country that passes through the equator.[br][br]Based on your observations and your search for information, are there any natural resources (SDA) in Indonesia that can be used as an environmentally friendly power plant.
The process of solar panels converting sunlight into electrical energy
The picture above is an illustration of the process of how solar panels convert sunlight into electrical energy that can be used by humans for daily life.
An engineer is a person who is used to doing engineering using his knowledge for practical problems using technology. if you were an engineer, how would you use your STEAM knowledge to design and manufacture environmentally friendly energy sources?[br][br]The following is a simple activity that you can try to innovate a simple solar panel model made of a compact disk (CD) and copper wire.
The picture of solar panel innovation from CD cassette
Tools and materials needed in making simple solar panel innovations
1. Copper size 0.8 mm[br]2. Tin[br]3. Enough cable[br]4. Zener diode 12 volt[br]5. Alteko glue[br]6. Scissors[br]7. Ammeter[br]8. Compact Disks (CD)[br] provide a CD according to the number of trials you want to do
Here is provided an example of a video example of making and testing innovation solar panels. You look for other references to increase knowledge.
Here are some pictures of solar panel innovations from CD cassettes
Please draw the solar panel innovation model according to your wishes, you can experiment by differentiating the amount of copper indentation on the compact disk (CD) for example 4, 6, 8, more indentation. You can also do other innovations according to yo
Test results table
Is there an influence between the number of indentations on the magnitude of the current in the ammeter? Explain why?
Have you ever observed that solar panels installed in a building or house are mounted on an angle, not flat, or parallel to the surface below. So why do solar panels need to be installed sideways? does it have an effect on the energy that will be produced later?
Energy is a major problem faced by almost all countries in the world. The problem is getting more complex when the world's energy needs are increasing, but the supply of energy reserves is decreasing, also most of the power plants used today are known to still cause pollution and damage to nature. Therefore, the researchers developed an alternative energy source that is environmentally friendly, namely solar panels. Solar panels are realized in a solar panel power plant without using fuel.
Mr. Budi, who knows the importance of using environmentally friendly power plants, plans to install solar panels on the roof of his house, the framework of the solar panel arrangement is shown in the picture below[br][br][br][img width=223,height=173]https://lh3.googleusercontent.com/9UnYqIdja404bwmxKFuoIft_zG1PhsheUUyzLO5hXXJ6KmFeGQI0aAKvYT8tWShGu2ZLQqCFct0pSyb8bFEq5ZEFpGDAo6BCYcY4opPpoVKA7iqsWF0W6vP-aVApn2Xbo0LeD-ZY1x0h-Mr9G3ftON9hvhkifrMa9q010hjGshSHQJ2TA73letK7Yn8_kw[/img][br]Mr. Budi wants the slope of the solar panels to be [math]45^\circ[/math]. Please select the option below which shows the correct solar panel frame.[br][img width=523,height=290]https://lh5.googleusercontent.com/TtvxAEZND7yIjbv_JWM7jjUJOnbArGzMUYqalgGk765EqylAoh-xL8ZjFn9HcmYYqENxoZId-DlTh9lQ5AkdxypFHrV17VO6PjLaJzd60gFdAR98LNMsyZRQM-lKiMRNS3d1yV0xNfI8NOnZGXfm7mXuQtN2bEZU2ndshavvc_4jCT5_VSJIs_BuBRA9mQ[/img][br][br]
Mr. Budi's family wanted to install solar panels in the yard of the house because it happened that Mr. Budi's yard was outside and was exposed to a lot of sunlight. The installed solar panels are shown in the image below. How many degrees is the angle [math]\alpha[/math] to be formed? 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[/img]
Mr. Budi's nephew wants to install solar panels on a flat roof. In order for the solar panel to capture as much light as possible, the solar panel is installed at an angle [math]30^\circ[/math]and the length of the front angle [math]30^\circ[/math] is 0.5 m, what is the slope of the solar panel?