The temperature at which no more energy can be removed from matter.
Ex. The material hit _______ ______ when Micah put it in the freezer.
What is absolute zero?
100
The ability to do work or cause change.
Ex: The person used ______ to turn the doorknob and open the door.
What is energy?
100
Thermal energy that is transferred from matter at a higher tempurature to matter at a lower tempurature.
Ex: The _____ of the sun transferred to the filled cup of iced water.
What is heat?
100
The 3 states of matter.
Ex: The glass contains ______, ______, and has ____ emitting from it.
What is solid, liquid, and gas?
100
The device that causes the transformation of thermal energy into mechanical energy.
What is a heat engine?
200
A material such as coal that forms over millions of years from the remains of ancient plants and animals.
Ex: The archeologist found an old ______ ____ mine in the dessert of Egypt.
What is a fossil fuel?
200
The difference between kinetic and potential energy?
Ex: The biker experienced more ___________ energy than ________ energy from sitting on top of the hill.
What is kinetic energy results from movement and potential energy is stored from the postition or shape of the object.
200
The amount of energy required to raise the tempurature of 1 kilogram of a material by 1 kelvin.
Ex: Water has more __________ ________ than sand and iron.
What is specific heat?
200
The physical chance from one state of matter to another.
Ex: The _____ __ _____ occurred when the temperature changed.
What is change of state?
200
Examples of cooling systems.
Ex: ____________ and ____ ___________ keep things colder than room temperature.
What are refrigerators and air conditioners?
300
The expansion of matter when it is heated
Ex: Her bruised finger swelled up even more when she ran it under hot water because of ________ __________.
A measure of the average kinetic energy of the individual particles in matter.
Ex: The ___________ rose about 20 degrees when the sun came out in the afternoon.
What is tempurature?
300
Melting and freezing.
Ex: The ice started _______ when it was put outside on the porch.
What are solid-liquid changes of state?
300
Engines that burn fuel in cylinders inside an engine.
Ex: ________ ___________ _________ are used in diesel and gasoline engines.
What is an internal combustion engine?
400
The rapid reaction between oxygen and fuel that results in fire?
Ex: The engine experienced ___________ when the metal broke open.
What is combustion?
400
Potential energy that depends on the height of an object.
Ex: Shane's _________ _________ _____ was higher than John's because he was on a hill and John was in a ditch.
What is gravatational potential energy?
400
Conduction, convection, and radiation.
What are the ways heat is transferred?
400
Liquid-gas changes of state.
Ex: The water was ______ after the temperature was over 100 degrees Celsius.
What is condensation, boiling, and evaporation?
400
Engines that burn fuel outside the engine in a boiler.
Ex: ________ ____________ ______ are used as steam engines and for the combustion of wood, coal, or oil.
What is an external combustion engine?
500
Refrigerant.
Ex: The refrigerator includes a ____________ to keep it cool.
What is the bustance that absorbs and releases heat in a cooling system?
500
The potential energy associated with objects that can be stretched or compressed.
Ex: The bower experienced ________ __________ ______ when she drew her bow, getting ready to release.
What is elastic potential energy?
500
The temperature scales that have the same measurements and same size degrees.
The _______ and ________ scales are the same except for the name of the scale and units.
What are Kelvin and Celsius scales?
500
The order of the states that has the most energy or movement in the particles to the least.
What is the order of gas, liquid, and solid states?
500
An engine that compresses and releases hot air to create mechanical energy.
Ex: A ____ ______ ______ is used in most engines, and they can be used with more than one cylinder.