Front

Molecule

Back

a group of atoms joined together in a particular way.

Front

Average

Back

a number that summarizes a set of data and that can be computed by adding all the numbers in a list and then dividing by the number of numbers in the list.

Front

Kinetic Energy

Back

the energy that an object has because it is moving.

Front

Infer

Back

to reach a conclusion using evidence and reasoning.

Front

System

Back

a set of interacting parts forming a complex whole.

Front

Collision

Back

the moment when two objects hit each other.

Front

Transfer

Back

to move from one object to another or one place to another.

Front

Change

Back

when something becomes different over time.

Front

Stability

Back

when something stays mostly the same over time.

Front

Equilibrium

Back

a balanced state in which a system is stable, such as when two or more samples are the same temperature.