The ability to do work or cause change
So the wind has energy
What is energy?
100
What is the formula to find Power
What is Power=energy transferred divided by Time
100
This method of heat transfer, _________ , uses a current.
What is Convection
100
Does heat move from warmer objects to cooler objects or form cooler objects to warmer objects?
What is warmer objects to cooler objects
100
List two types of combustion engines
What is external and internal
200
Gravitational potential energy and elastic potential energy
These are examples of potential energy
What are two types of potential energy?
200
What is the equation to find kinetic energy
What is Kinetic energy= 1/2 x mass x Velocity squared
200
Most matter exists in three states: _______,_________, and _______.
What are states, solids, and gases.
200
The total energy of all the particles in an object
What is thermal energy
200
What type of energy transformation is used in a heat engine?
What is thermal energy to mechanical energy
300
When one form of energy is transformed to another, no energy is destroyed in the process.
This is an important law.
What does the law of conservation of energy state?
300
What is the equation to find Mechanical energy?
What is Mechanical energy= Potential energy + kinetic energy
300
As the thermal energy of matter increases, its particles psread out and the substance expands. This is know as _________.
What is Thermal Expansion
300
Different objects at the same temperature can have different what?
What is energies
300
What are two types of everyday engines that use internal combustion engines?
What is Diesel and gasoline
400
Anything that has mass and takes up space
All objects are made up of matter
What is matter
400
What is the formula to find Gravitational potential energy?
What is Gravitational potential energy= weight x height
400
An ________ ________ engine burns fuel outside the engine in a boiler.
What is external combustion
400
The thermal energy of an objects depends on the what? (3)
What is number of particles in the object, temperature of the object, and arrangement of the particles in that object.
400
What kind of engine is used when a spark plug ignites the mixture of gas and the heated gas expands and pushes the piston down, which moves the crankshaft
What is a power stroke
500
list three examples of fossil fuels
Fossil fuels contain energy that came from the sun.
What are Coal, pertoleum, and natural gas.
500
equation to find a change in energy
What is Change in energy=Mass x specific heat x Change in Temperature
500
The three types of temp. scales are ______ , ________ , and _______.
What is Celsius, Farenheit, and Kelvin.
500
What happens to the motion of an object's particles when its thermal energy increases?
What is they move around more
500
List the 5 main parts of the heat engine
What is steam, flywheel, cylinder, sliding valve, and piston