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Day 2

Day 2. Engineering for a better world…. What did we do yesterday?. You drew an engineer… What was your engineer doing? We talked about the Gulf oil spill… Why do we use oil? What could we use instead of oil? What solution did we determine would Save the Pelicans forever?

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Day 2

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  1. Day 2 Engineering for a better world…

  2. What did we do yesterday? • You drew an engineer… • What was your engineer doing? • We talked about the Gulf oil spill… • Why do we use oil? • What could we use instead of oil? • What solution did we determine would Save the Pelicans forever? • What was the Muddiest point? • What was the Clearest point?

  3. What did we do yesterday? • We measured the ________ from solar cells. • We connected the solar cells in ______ and in ________. 1.5 V 3.0 V 6.0 V Total voltage = __________

  4. What did we do yesterday? • We measured the ________ from solar cells. • We connected the solar cells in ______ and in ________. 1.5 V 3.0 V 6.0 V Total voltage = __________

  5. Electricity is not measured by Voltage alone! • The energy produced by a solar cell or battery is the product of Voltage AND Current. • A lot of Voltage and a tiny bit of current is not much energy. • Voltage = _____________________ • Current = _____________________ • Energy per second = Voltage x Current

  6. How much energy? • Voltage = _____________ Volts • Current = _____________ Amps 1.5 V 3.0 V 6.0 V Total energy per second = __________ Joules

  7. How much energy? • Voltage = _____________ Volts • Current = _____________ Amps 1.5 V 3.0 V 6.0 V Total energy per second = __________ Joules

  8. What IS energy??? • Energy is….

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