Changes in Energy on the Molecular Level

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

• Aom

• Liquid

• Molecule

• Thermal Energy

Used to describe a substance that is not chemically reactive

• Atom

• Inert

• Thermal Energy

• Vibrate

The smallest particle of an element made of electrons, protons, and neutrons

• Atom

• Gas

• Inert

• Thermal Energy

Tags

NGSS.MS-PS1-1

A form of matter with indefinite shape and volume

• Atom

• Gas

• Molecule

• Thermal Energy

Tags

NGSS.MS-PS1-4

The simplest unit of a chemical compound that can exist and is formed when two or more atoms join together chemically

• Atom

• Inert

• Liquid

• Molecule

Tags

NGSS.MS-PS1-1

To move rhythmically and steadily; oscillate

• Inert

• Liquid

• Thermal Energy

• Vibrate

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

It is the total kinetic (motion) energy of tiny particles that make up matter. The faster the particles move, the warmer the matter becomes.

• Atom

• Inert

• Thermal Energy

• Vibrate

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

To strike or hit something with great force

• Collide

• Gas

• Thermal Energy

• Vibrate

Tags

NGSS.MS-PS2-1

When a substance changes from a gas into a liquid, what has happened?

• Heat has been added.

• Heat has been removed.

• The molecules have formed crystals.

• The molecules have sped up.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

How are molecules affected when heat is added?

• There is no change.

• They vibrate faster.

• They start vibrating faster and then stop.

• They vibrate slower.

Tags

NGSS.MS-PS1-4