Hydrogen cells
Hydrogen cells make energy by separating hydrogen and oxygen from filtered water. The process of removing the hydrogen from the oxygen requires energy but produces more energy than it uses. The amount of energy used to separate the hydrogen and oxygen is very small, since hydrogen's bond length is small and requires less energy to carry out the process. The open top part is were the hydrogen and oxygen go to ounce distilled from the water that you put in on the bottom. From there the energy causes electrons to move in a path and creates a current. An advantage of using Hydrogen Fuel Cells is that it doesn't produce pollution and is a renewable energy source.
Solar panels
Solar panels make energy by converting sunlight into electricity. When light hits the solar panel, it's energy is absorbed and causes electrons to excite ,so they start moving. The energy is then transferred into a power grid. A solar panel is made from semiconductor materials. A common semiconductor used in making a solar panel is silicon mixed with phosphorous or boron. Normal silicon cannot work as a conductor due to it not having any electrons. But if it has phosphorous or boron made to be part of the silicon, it has a few free electrons, so it can conduct electricity.
Series and Parallel circuits
Series Circuit
A Series Circuit only have one path for electrons to flow. This means that if you were to take out one part of circuit, the entire circuit would cease to function. One example of breaking the circuit would be Christmas lights, if one of the lights go out then all the lights go out. To find the resistance of a series circuit you have to add up all of the resistance parts.
Parallel Circuit
A Parallel Circuit has multiple paths for electrons to flow. So If you were to take out one component of the circuit the rest of it will still work. Most buildings are wired with parallel circuits, due to the fact that if one light went out the rest will still come on. The voltage across each and every component in a parallel circuit is equivalent to the voltage from the power source. However, current and resistance vary across the components. The total resistance is equal to 1/{(1/R1)(1/R2)(1/R2)}.
Parallel circuit Series circuit
A Series Circuit only have one path for electrons to flow. This means that if you were to take out one part of circuit, the entire circuit would cease to function. One example of breaking the circuit would be Christmas lights, if one of the lights go out then all the lights go out. To find the resistance of a series circuit you have to add up all of the resistance parts.
Parallel Circuit
A Parallel Circuit has multiple paths for electrons to flow. So If you were to take out one component of the circuit the rest of it will still work. Most buildings are wired with parallel circuits, due to the fact that if one light went out the rest will still come on. The voltage across each and every component in a parallel circuit is equivalent to the voltage from the power source. However, current and resistance vary across the components. The total resistance is equal to 1/{(1/R1)(1/R2)(1/R2)}.
Parallel circuit Series circuit
Reflection
I do not really think that hydrogen fuel cells are an efficient source of energy. I say this because the hydrogen vehicle barely moved when the hydrogen fuel cell wasn't connected to the solar panel. But when we use the Solar panel you have to keep ultra violate rays on the solar cell so it will keep charged. So both sources have their own downsides. But I think that solar cells are better. But I think that a hydrogen fuel cell would work better if it was bigger because there would be a lot more hydrogen produced to run a vehicle, But on a small car it is near useless to use a hydrogen cell on something as small as the vehicle we made. I think that green energy is a wonderful idea, But I do believe it needs to be improved to provide more power before it can work to power other things such as an actual car.
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conclusion questions
1. 2 AAA batteries
2. Power
3. 5 solar panels wold be needed
4. 6 hydrogen cells would be needed
5. The solar panel would be connected to the hydrogen cell so it can hold the energy to drive the vehicle
6. A solar panel works by allowing protons to knock electrons free from atoms, generateing electricity
Source: livescience.com
7. Electrolysis seperates hydrogen and oxygen by pushing electric current through a compound. The hydrogen fuel is broken down into electrons and protons by a catalyst and combines with with oxygen supplied by the fuel cell to create electricity.
Sources: Instructables.com and Stockton University
1. 2 AAA batteries
2. Power
3. 5 solar panels wold be needed
4. 6 hydrogen cells would be needed
5. The solar panel would be connected to the hydrogen cell so it can hold the energy to drive the vehicle
6. A solar panel works by allowing protons to knock electrons free from atoms, generateing electricity
Source: livescience.com
7. Electrolysis seperates hydrogen and oxygen by pushing electric current through a compound. The hydrogen fuel is broken down into electrons and protons by a catalyst and combines with with oxygen supplied by the fuel cell to create electricity.
Sources: Instructables.com and Stockton University