Chemical Reactions Vocab

A series of flashcards covering fundamental concepts in chemistry, including definitions of key terms, properties, and scientific principles.

Atom

The tiny pieces that all matter is made of.

Chemical Reaction

A process in which atoms rearrange to form new substances.

Product

An ending substance that is made during a chemical reaction.

Model

An object, diagram, or computer program that helps us understand something by making it simpler or easier to see.

Property

Something that can be observed about a substance, such as color, smell, or boiling point.

Reactant

A starting substance that is part of a chemical reaction.

Rearrange

To change the order or position of something.

Substance

Something that is made of all the same atoms or groups of atoms.

Chemical Formula

Letters and numbers showing the types and number of atoms that repeat to make up a substance.

Fertilizer

A substance that is added to soil to help plants grow.

Boiling Point

The temperature at which a substance changes from the liquid phase to the gas phase.

Melting Point

The temperature at which a substance changes from the solid phase to the liquid phase.

Observation

Using our senses to gather information about the world around us.

Inference

A logical conclusion based on previous experiences, observations, and knowledge; an educated guess.

Quantitative Observation

A research method used to collect numerical data and measure specific variables.

Qualitative Observation

A research method used to gather non-numerical data by focusing on the qualities and characteristics.

Law of Conservation of Mass

According to this law, matter can be neither created nor destroyed; the mass of an object remains constant regardless of rearrangement.