Energy Forms
Energy Transformations
Energy
KE/PE
Force + Motion
100
What type of energy is present in an unlit match?
Chemical Potential Energy
100
This device transfers electrical energy to...
Thermal Energy and thermal energy (and sound)
100
Energy is the ability to do what?
make something to move
make something to change
100
What is Kinetic Energy?
The energy within a particle because of its motion
100
What is a force?
A push or pull
200
This form of Energy is based on the motion of the particles that make up a substance
Thermal Energy
200
What is the energy transformations in the process of photosynthesis?
Radiant to Chemical to Mechanical (growth)
200
Energy and energy forms are divided into what two categories?
Potential and Kinetic
200
What is Potential energy?
Stored energy
200
What is the difference between velocity and speed?
Velocity specifies a direction
300
What is an energy transfer?
When energy moves from one thing to another or from one place to another.
300
What is an energy transformation?
the process that converts energy from one form to another.
300
What two things can not happen to energy?
Energy cannot be created or destroyed
300
What are the energy forms that are in the Kinetic Energy category?
Thermal
Radiant
Sound
Electrical
Mechanical
300
What direction do you need to exert a force on an object to make it speed up?
In the same direction as its motion
400
This source of Energy takes the mechanical energy of flowing water to produce electricity.
Hydroelectric
400
Most energy transformations end up as what energy form?
Thermal
400
If we followed all of the energy back to one source, it would be this.
The sun.
400
What are the energy forms that are in the Potential Energy category?
Nuclear
Chemical
Mechanical
400
Force and motion did not exist before Isaac Newton had an apple fall on his head?
False
500
This source of energy uses the light (radiant) energy to produce electricity
Solar
500
What energy transformations happen in a toaster?
Electrical to light to heat to sound to motion
500
Name one renewable energy source and one nonrenewable energy source.
Answers may vary
500
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Hydroelectric
500
If you want something to slow down or stop you need to exert a force in this direction?
The opposite direction