Matter

Temperature that solids turn into liquid

• melting point
• boiling point
• freezing point

Temperature that liquid turns into vapor

• melting point
• boiling point
• freezing point

Temperature that liquid turns into a solid

• melting point
• boiling point
• freezing point

A change that alters the appearance or form of a material but does not make the material into another substance

• chemical change
• physical change
• endothermic change
• exothermic change

A form of energy that is stored in chemical bonds between atoms

• chemical energy
• thermal energy
• physical energy

The principle that the total amount of matter is neither created nor destroyed during any chemical or physical change

• temperature
• chemical change
• exothermic energy
• law of conservation of mass

How hot or cold something is a measure of the average energy of motion of the particles of a substance

• melting point
• temperature
• physical change
• freezing point

The total energy of motion of all of the particles in an object

• temperature
• physical change
• thermal energy
• chemical energy

A change when energy is absorbed

• endothermic change
• exothermic change

A change when energy is released

• endothermic change
• exothermic change
• chemical change
• physical change