Physical and Chemical Changes Vocabulary Quiz

properties that do not change the chemical composition of an object

• physical change

• chemical change

• physical properties

• physical change examples

sign that a new substance is being formed from a chemical change. Usually seen as bubbles.

• production of gas

• temperature change

• production of heat or light

• production of precipitate

an original substance at the beginning of a chemical reaction

• precipitate

• product

• reactant

• pecipitantor

visible change in a substance's color is evidence of a new substance being formed from a chemical change

• physical change

• chemical change examples

• color change

• chemical change

a change of matter that occurs when atoms link together in new ways, creating a new substance different from the original substance

• physical change

• chemical change examples

• chemical process

• chemical change

a property or characteristic of a substance that is observed or measured during a reaction in which the chemical composition or identity of the substance is changed

• physical properties

• chemical process

• physical change

• chemical change

Evidence of release of energy during a chemical change

• physical change examples

• production of gas

• production of heat or light

• production of a precipitate

evidence of release of energy during a chemical change in a liquid or inside another solid

• production of gas

• physical change examples

• production of a precipitate

• production of heat of light

weight, hardness, temperature, size, magnetism, physical state- solid, liquid, gas- relative density, solubility, and ability to insulate and conduct heat or electricity

• physical property review examples

• physical properties

• physical change examples

• chemical process

a substance at the end of a chemical reation

• precipitate

• product

• reactant

• chemical process