Definition of Endothermic
What is a process which heat is absorbed?
Water vapor in the air releases heat and condenses into rain droplets
what is exothermic?
______ is required for changes to occur within a system
What is Energy?
what direction does heat travel
What is right?
Definition of Exothermic
What is a process in which heat is released
Baking muffins absorb heat from the oven to cook
What is endothermic
_______ ______ is the energy in a substance due to the vibration of its particles
What is thermal energy?
what happens to the atoms in a solid when heat is added to it.
What is they spreads further apart?
Definition of Thermal energy
What is the total kinetic energy of tiny particles that make up matter?
Plants take in light energy for photosynthesis
What is endothermic?
A substance that changes a chemical reaction is known as a ________
What is a Reactant?
Whats one thing that effects heat transfer
what is the temperature difference between two systems causes heat transfer?
Definition of Radiant energy
what is energy transferred through electromagnetic waves?
When two chemicals are mixed their temperature drops
what is endothermic?
________ _______ is when one or more substances change to produce one or more different substances
What is a chemical reaction?
what are the three basic processes of heat transfer
What are conduction, radiation, and convection?
Definition of thermochemistry
what is a branch of chemistry that deals with the interrelation of heat?
A solid burns brightly and releases heat, light and sound.
what is exothermic?
When a reaction causes thermal energy to be absorbed, it is known as ________?
What is an endothermic?
all matter contains heat energy true or false
What is true?