Key Concepts
The word in the blank of the sentence "Things are made of_________(or other atom groups)."
What is "molecules"?
When two molecules bump into each other.
When does heat transfer occur?
Energy that moves.
What is kinetic energy?
Something that is not temperature.
What is thermal energy?
An objects average kinetic energy.
What is temperature?
The word in the blank of the sentence "When a thing changes temperature, its molecules are changing _____."
What is "speed".
Heat transfer´s cause.
What is kinetic energy transfer?
Energy that is stored up.
What is thermal energy?
The definition of thermal energy.
What is "The total amount of kinetic energy in an object."?
The three main units of temperature.
What are Fahrenheit, Celsius, and Kelvins.
The word in the blank of the sentence "When things are in contact, their _________ collide."
What is "molecules".
The point when heat stops transferring.
What is equilibrium?
Another word for average kinetic energy.
What is temperature.
The thermal energy of something that has 6 molecules and an average kinetic energy of 5kj.
What is 30kj?
The temperature that water freezes at.
What is 0 degrees Celsius, 32 degrees Fahrenheit?
The words in the blanks of the sentence "Kinetic energy transfers from ____ moving objects to ____ moving objects when they touch."
What are the words "fast" and "slow".
The thing that causes molecules to bump into each other to start energy transfer.
What is two objects touching?
The kind of energy in a ball about to roll down a hill.
What is potential energy?
The thermal energy of an object with 30 molecules and an average kinetic energy of 101kj.
What is 3030kj?
The temperature of water when it boils.
What is 100 degrees Celsius, 212 degrees Fahrenheit?The temperature of water
The word in the blank of the sentence "When energy in two touching objects reaches _________, it stops transferring.
What is "equilibrium"?
The object that transfers the energy/heat.
What is the hotter object?
The formula for finding the average kinetic energy of an object.
What is the total energy of the object divided by the number of the molecules in the sample?
The thermal energy of an object with 12 molecules and an average kinetic energy of 17kj.
What is 204kj?
The temperature that, as of January 1st, 2024, has never been achieved.
What is 0 Kelvins?