Unit 2 Vocab

Front

Substance that undergoes a chemical change

Back

Reactants are substances that start a chemical reaction.

Front

Chemicals and resources made by humans

Back

Synthetic refers to substances that are artificially made, not naturally occurring.

Front

Form or appearance of matter altered but not a different substance

Back

Physical change is a change that affects one or more physical properties of a substance.

Front

Anything that has mass and takes up space

Back

Matter is defined as anything that has mass and occupies space.

Front

Energy released in a reaction, releases heat

Back

Exothermic reactions are those that release energy in the form of heat.

Front

Substance formed as a result of a chemical reaction

Back

Products are the substances that are produced in a chemical reaction.

Front

A change that results in the formation of new chemical substances

Back

Chemical change is a process where one or more substances are altered into one or more new and different substances.

Front

The amount of matter in an object

Back

Mass is a measure of the amount of matter in an object.

Front

The space that a substance occupies

Back

Volume is the measure of the amount of space that a substance or object occupies.

Front

A property that can be observed without changing the substance

Back

Physical property is a characteristic of a substance that can be observed without changing its identity.