What is Energy
Forms of Energy
Energy Transformation
Heat Transfer
Thermal Energy
100
What is energy?
The ability to do work or cause change
100
Name the 7 forms of energy we learned about?
Thermal, Chemical, Nuclear, Radiant, Sound, Mechanical, Electrical.
100
Difference between transfer and transformation
Transferring --> Transferring to something without changing form
Transforming --> Changing the form of the starting energy
100
Biggest difference between conduction and radiation.
Conduction --> in contact
Radiation --> no contact
100
What is Thermal Energy?
rise in temperature causes atoms and molecules to move faster and collide with each other.
200
What is the difference between kinetic and potential energy?
One is moving one is not.
200
Which forms of energy are kinetic? (hint: 5)
Mechanical, Thermal, Electrical, Sound, Radiant
200
Energy Transformation of Mr. Bourji eating tacos?
Mechanical --> Chemical
200
Heat flow goes from....
High temp to Low temp
200
How are Kinetic Energy and Temperature related?
As one goes up so does the other.
300
What are 2 factors that affect GPE?
Height and Mass
300
Which forms of energy are potential? (hint: 3)
Chemical, Nuclear, Mechanical.
300
Energy Transformation of a Car?
Chemical --> Mechanical.
300
What is convection?
Hot air rises, cool air sinks?
300
What is the average kinetic energy of an object also called? This is how you measure thermal energy.
Temperature
400
Potential
400
What form of energy is happening on the surface of the sun?
Nuclear, The sun fuses protons of hydrogen together to create helium.
400
Energy Transformation of a Hot Air Balloon?
Thermal --> Mechanical
400
Which heat transfer is taking place with the your hand over a lit candle?
Raditation
400
2 factors that heat transfer?
Sample size and type of material.
500
What is this equation used for, (1/2)(m)(v2)
KE
500
How is chemical energy released?
By breaking chemical bonds.
500
Energy Transformation of a Plant?
Light --> Chemical
500
What is the energy transformation of heating your house with central heat?
Convection.
500
Amount of energy that must be added to a certain material to raise the temperature of a unit mass by one temperature unit.
Specific Heat