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Welcome to Science 71. April 29, 2014 Day 142. Period B Rules. “ I promise to check the sink at the end of class, and …”. America Recycles Day is coming! Make it Zero Waste Day!. Objective. Explain and provide examples of methods of heat energy transfer
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Welcome to Science 71 April 29, 2014 Day 142
Period B Rules “ I promise to check the sink at the end of class, and …”
America Recycles Day is coming! Make it Zero Waste Day!
Objective • Explain and provide examples of methods of heat energy transfer • Illustrate and describe the kinetic theory of matter, including phase changes. • Demonstrate an understanding of the relationship between kinetic and potential energies. • The Main 3 Components to Electricity STUDENT VERNACULAR • Using vocabulary explain how heat moves from place to place, matter to matter • Using vocabulary explain how Kinetic Energy is responsible for the various states of matter (Solid, Liquid, Gas, etc) • How does an objects Energy level change as it moves from Potential Energy (PE) to Kinetic Energy (KE)
Agenda • Today’s Objective • Bell Work • Notes • Vocabulary Puzzle • What is PE and KE? • Discussion on Worksheets
Bell Work Looking at the items below, which ones are Potential Energies? A. Apple B. Fire C. Wood D. Book on Shelf E. Student running in gym
Bell Work Looking at the items below, which ones are Kinetic Energies? A. Battery B. Unlit Candle C. Turned on Light bulb D. Car in park on steep hill E. Cold Pizza
Energy • What is Energy? • How do you define Energy? • Class Examples
Energy Energy - The ability to do work -Be it Potential or Kinetic -Be it Mechanical, Thermal, Chemical, Electrical, Electromagnetic, Nuclear
Energy • Based upon Two Primary Categories: • Potential • Kinetic
Energy • Kinetic • Energy of Use • Energy of Motion • Energy of NOW!
Energy • Eureka #9 Clip • Kinetic Energy
Energy • Potential • Energy that is Stored. • It is Potential
Energy • Eureka #10 Clip • Potential Energy
Bell Work At what point does the diver have the most energy? • 1 • 2 • 3 • 4 • Not Sure
Energy • Conservation of Energy. • Energy is Neither Created or Destroyed • All Energy Must be Accounted For! • It can only change form
Energy • Secondary Categories: • Mechanical • Thermal • Chemical • Electrical • Electromagnetic • Nuclear
Energy • Second Category • Mechanical -Associated with motion or position of object -K or P -Every Monday Students use Mechanical Energy to move from class to class
Energy • Second Category • Thermal -Total KE of all particles in an object -Ice Cream
Energy • Second Category • Chemical -Energy Stored in chemical bonds -Candles
Energy • Second Category • Electrical -Moving electrical charges (electrons) -Power to run E Devices
Energy • Second Category • Electromagnetic Energy (Radiation) -Energy travels in Waves -UV, IR, Microwaves
Energy • Second Category • Nuclear Energy -Stored in Nucleus of Atom -Fission vs. Fusion -Sun, Stars, Powerplants
Bell Work What type of Energy does this object represent best?(1) • Mechanical • Thermal • Chemical • Electrical • Electromagnetic • Nuclear
Bell Work What type of Energy does this object represent best?(1) • Mechanical • Thermal • Chemical • Electrical • Electromagnetic • Nuclear
Bell Work What type of Energy does this object represent best?(1) • Mechanical • Thermal • Chemical • Electrical • Electromagnetic • Nuclear
Bell Work What type of Energy does this object represent best?(1) • Mechanical • Thermal • Chemical • Electrical • Electromagnetic • Nuclear
Bell Work What type of Energy does this object represent best?(1) • Mechanical • Thermal • Chemical • Electrical • Electromagnetic • Nuclear
Bell Work What type of Energy does this object represent best?(1) • Mechanical • Thermal • Chemical • Electrical • Electromagnetic • Nuclear
Bell Work What type of Energy does this object represent best?(1) • Mechanical • Thermal • Chemical • Electrical • Electromagnetic • Nuclear
Bell Work Please put the items below into two categories (You choose the grouping) Hydroelectric Oil Coal Petroleum Biodiesel Gas Wind Turbine Biomass Solar
Energy Terms Renewable Energy Energy sources that can be replaced, or replenished.
Energy Terms Hydroelectric- Electricity being made by hydro-water
Energy Terms BiomassWood/Forests -Energy stored in trees in the carbon chemical bonds. Energy is old sunlight! Extra-(maple syrup)
Energy Terms Photovoltaic- Electricity being made by converting Sunlight/Visible Light. Solar Panels
Energy Terms Tidal Turbine- Energy production from the movement of ocean tides
Energy Terms Wave Turbine- Electricity produced by the movement of waves.
Energy Terms Bio-fuels Bioethanol Biodiesel- Fuel made from vegetables and grain
Energy Terms Wind Turbine- Electricity produced from the conversion of wind.
Energy Terms Non-Renewable Energy sources that once used, are non replaceable.
Energy Terms Fossil Fuels • Ancient Stored Sunlight • Coal, Oil, Natural Gas • Considered the Catalyst for Accelerated Global Warming (Climate Change)
Energy Terms Coal- Energy Source made of preserved swamp ecosystems. Water/Mud preserved. Largest world-wide energy source for producing electricity
Energy Terms Oil-Petroleum Naturally occurring liquid found in Earth, comprised of ancient Zooplankton and Algae, hydrocarbons(oceans)
Energy Terms Natural Gas -Source of energy from swamps, marshes and landfills. Ancient to recent. Bondies Island
Energy Terms Nuclear Power Plants -Energy produced by splitting atoms and using the heat to make steam and spin turbines
Energy Terms Unsure?! These energy sources have potential to be either renewable or non-renewable
Homework Hydrogen -Energy stored in the attractive bonds of Hydrogen gas. H2 want to be in a water state.
Energy Terms Nissan Leaf Commercial http://www.youtube.com/watch?v=BNeEVkhTutY
Energy Term Conservation of energy- Law-Energy can neither be destroyed or created. All energy must be accounted for