Understanding Temperature, Heat, and Energy Concepts

ENERGY

the capacity to do work

KINETIC ENERGY

energy of motion

THERMAL ENERGY

energy related to the random movement of atoms/molecules

POTENTIAL ENERGY

energy related to position or composition (stored)

CHEMICAL ENERGY

energy stored in the bonds between atoms

JOULE (J)

main unit of energy

EXOTHERMIC REACTION

a chemical reaction that releases energy to its surroundings

ENDOTHERMIC REACTION

A reaction in which energy is absorbed

HEAT

thermal energy in transfer from one body of matter to another

TEMPERATURE

A measure of the average energy of motion of the particles of a substance.

CELCIUS

Metric temperature scale on which water freezes at 0 degrees and boils at 100 degrees

MATTER

Anything that has mass and takes up space