Vocabulary
The degree of disorder in a given system
What is entropy
An engine that generates power for movement through the use of steam which rapidly expands and condenses.
What is a Steam Engine
Disorder (entropy) in the universe is always increasing
What is an energy chain? Give an example
The process of energy conversions
What does every single engine do?
Converts fuel to movement
A form of energy that flows from a place of high temperature to a place of lower temperature.
What is heat
the emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles which cause ionization.
What is radiation
Energy cannot be created or destroyed, only transferred
What is the first law
What always happens when energy is converted?
What is this called?
Heat is lost
waste heat
What is jet propulsion
The pushing forward of an object by a stream of liquid or gas
The process of changing one form of energy into another
What is energy conversion.
The movement within a fluid that is caused by the tendency of the hotter material to rise and the cooler material to sink, which results from the transfer of heat.
What is convection
When two systems are in equilibrium with a third system, they are said to be in thermal equilibrium with each other
What is the Zeroth Law
What are the three temperature scales?
What is the formula to convert Fahrenheit to Celsius?
Kelvin, Celsius, Fahrenheit
F=1.8 times C +32
How do Rockets work?
Rockets move forward in response to hot gas being forced out of the back end.
The rate at which work is done
The movement of electricity or heat through a substance when there is a difference in temperature without movement of the material.
What is conduction
There is a theoretical point at which all molecular movement stops, which is known as absolute zero
What is the third law
Explain a perpetual motion machine and why it cannot exist
A machine that will keep working forever without an energy source
They always need more energy than they can give out due to waste energy- A constant source of energy is needed.
What is the main difference between an internal combustion engine and a steam engine?
Internal- fuel is burned inside the engine, steam outside the engine.
A measure of how much heat energy is present in a substance
What is temperature
An engine that generates power for movement through the burning of fuel, such as coal, gas, or oil, and air
What is an Internal Combustion Engine
The difference between heat and thermodynamics
heat is energy
thermodynamics are the laws pertaining to heat
How does heat travel?
Directions and Ways
From hot to cold
Conduction
Convection
Radiation
What is the Specific Heat Equation
Q=m X c X change in T