topic: energy essential question: how is energy used in the world?
TRANSCRIPT
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Topic: Energy
Essential Question: How is energy used in the world?
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What is Energy?
Energy is the ability to cause change.Everything except feelings or ideas is
made up of either energy or matter.Energy does NOT have mass or take up
space.
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What are examples and non examples?
Examples Light energy Heat energy Wind energy Nuclear energy
Non Examples Love Atoms Hatred Air
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BrainPop!
Click on Moby
Username: txau_dobie
Password: aisd
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What is the Law of Conservation of Energy?
Energy in a system may take on various forms (e.g. kinetic, potential, heat, light).
The law of conservation of energy states that energy may neither be created nor destroyed It just CHANGES forms!
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BrainPoP!
Press Tim and Moby
Username: txau_dobie
Password: aisd
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What is Potential Energy?
Potential Energy is stored in matter, waiting to be released.
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What Are Examples?
An arrow being stretched by a bow before it is released
A rock at the top of a hill
Food for our bodies Fuel for our cars
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BrainPoP!
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What is Kinetic Energy?
Kinetic energy is the energy of motion that is released from stored energy.
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Examples
Arrow released from bow Object rolling down hill
Muscles moving A car moving
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Examples
Potential Energy when
up ready to be released.
Kinetic Energy when it moves up in down by energy from
string
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Examples
For the biker the bottom of the hill is a point of potential energy
Going up the hill energy is coming in which means the biker is going through kinetic energy.
Biker waiting on top of the hill to go down is potential energy.Going down the hill energy is going out which means the
biker is going through kinetic energy.For the biker the bottom of the hill is a point of potential
energy
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Examples
Potential energy- Low
Kinetic energy- High
Potential energy- High
Kinetic energy- LowPotential energy- Low
Kinetic energy- HighPotential energy- High
Kinetic energy- Low
Potential energy- Low
Kinetic energy- High
Potential energy- High
Kinetic energy- Low
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BrainPoP!
Click on Moby
Username: txau_dobie
Password: aisd
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What Are Other Energies?
The way to remember the other energies is to remember MRS. CENTMechanicalRadiant (light)SoundChemicalElectricalNuclearThermal (heat)
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M- Mechanical Energy
Mechanical energy is energy generated through movement.
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R- Radiant (light) Energy
Radiant energy is energy from electromagnetic waves.
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Sound EnergySound energy is vibrations that moves
through a solid, liquid or gas to our ears.
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Chemical EnergyChemical energy is energy released
from a chemical reaction.
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Electrical EnergyElectrical energy is energy through
electricity.
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Nuclear EnergyNuclear energy is energy released
during a nuclear reaction generally through fusion or fission.
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Thermal (Heat) Energy
Energy that changes the temperature of an object.
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Finished With Notes
1. Write a 4-5 sentence summary over the Essential Question.
2. Glue notes onto the right hand page.
3. Pick from the following box assignments to complete on the right page: #1, #2 or #5
4. Begin work on vocabulary