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Solar Cars
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Solar Cars

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"Solar Cars" is a PowerPoint designed for primary and secondary students, where students learn about solar energy and harnessing the sun's energy to power solar cars. This lesson can be paired with a …

"Solar Cars" is a PowerPoint designed for primary and secondary students, where students learn about solar energy and harnessing the sun's energy to power solar cars. This lesson can be paired with a "Build Your Own Solar Car" activity.

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  • Energy Process:Energy conversions  Chemical stored in semiconductors  moving electrons creates electricity  electricity moves a magnet (mechanical)  magnet turns drive shaft

Transcript

  • 1. There are over 1 billion cars in the world right now!!! Nearly all of them use the simple and cheap combustion engine that was invented….. 100 years ago
  • 2. The “Spark Explosion of fuel movement” process is used in nearly all moving objects on the planet…
  • 3.  Using combustion we can release millions of years of the suns energy (known as fossil fuels) that was beating down on:  trees  algae  lichens  other photosynthetic organisms http://www.youtube.com/watch?v=LuCUmQ9FxMU&feature=related
  • 4.  The Sun’s light was stored in the carbon bonds of fossil fuels (dead algae and plants)…  Those are broken during combustion and energy is released, making vehicles go!
  • 5. The scientific opinion on climate change is that the Earth's climate change is unequivocally warming, and it is more than 90% certain that humans are causing it through activities that increase concentrations of greenhouse gases in the atmosphere, such as deforestation and burning fossil fuels. Tailpipes spew out 1.2 billion metric tons of carbon dioxide from burning gasoline CARBON DIOXIDE, what is released from cars during the combustion process, IS A GREENHOUSE GAS
  • 6.  Take a piece of paper and brainstorm at least 5 replacements for the combustion engine…
  • 7. Types of Solar Thermocollectors PhotovoltaicCells Space Sails Why Solar? 1. Renewable 2. Sun is free 3. Clean, no fossil fuels burned Why Not Solar? 1. Inefficient… 2. Expensive to make cells 3. Sun is not always available 4. Current models take up a lot of space
  • 8.  Question: Can the Sun’s energy provide enough fuel to move a car?  What’s your hypothesis?  ACTIVITY:  Make your own solar car!
  • 9. Axles Motor Tiny gear Solar panel Wheels Gears Body I bolts