Changes in Energy on the Molecular Level

Front

What is a form of matter with indefinite shape and volume?

Back

Gas

Front

What scenario most likely represents the model of adding energy to a substance?

Back

Heat is added to water.

Front

What is the smallest particle of an element made of electrons, protons, and neutrons?

Back

Atom

Front

What is a state of matter with a definite volume but no definite shape?

Back

Liquid

Front

What term describes a substance that is not chemically reactive?

Back

Inert

Front

What is thermal energy?

Back

The energy that comes from the temperature of matter.

Front

What happens to the molecules in a solid when heat is added?

Back

They vibrate faster and may change to a liquid.

Front

What is the process called when a liquid turns into a gas?

Back

Evaporation.

Front

What is the term for the amount of space an object occupies?

Back

Volume.

Front

What is the difference between an atom and a molecule?

Back

An atom is a single particle, while a molecule is made up of two or more atoms bonded together.