Week 3 1.22 Vocab Flashcard

Front

Definition of a Physical Change?

Back

A change in a substance that does not change its identity.

Front

Definition of an Atom?

Back

Smallest particle of an element; made of electrons, protons, and neutrons.

Front

Definition of Molecule?

Back

A combination of two or more atoms held together by chemical bonds.

Front

Definition of Compound

Back

A substance made of two or more elements chemically combined.

Front

Definition of Chemical Change

Back

A change where substances combine or break apart to form a new substance.

Front

Definition of a Solid?

Back

A state of matter with definite volume and shape.

Front

Definition of a Liquid:

Back

A state of matter with no definite shape but a definite volume.

Front

Definition of a Gas:

Back

A state of matter with no definite shape or volume.

Front

Definition of Boiling Point

Back

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

Front

Definition of Kinetic Energy?

Back

The energy of motion.