6th Grade: Topic 2-Solids, Liquids, and Gasses

A substance that has a definite shape and a definite volume

• Solid
• Liquid
• Gas
• Plasma

Tags

NGSS.MS-PS1-4

A substance that has a definite volume, but no shape of its own

• Solid
• Gas
• Liquid
• Plasma

Tags

NGSS.MS-PS1-4

An inward force, or pull, among the molecules in a liquid that brings the molecules on the surface closer together

• Surface Tension
• Gravity
• Friction
• Inertia

in liquids, a resistance to flowing

• Viscosity
• Gravity
• Magnetism
• Electricity

A substance that has neither a definite shape nor definite volume

• Solid
• Liquid
• Gas
• Plasma

Tags

NGSS.MS-PS1-4

The total kinetic and potential energy of all the particles in an object or substance is called

• Thermal energy

• Nuclear energy

• Chemical energy

• Mechanical energy

Tags

NGSS.MS-PS3-4

A measure of the average kinetic energy of the particles in an object or substance

• Temperature
• Pressure
• Volume
• Density

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In pure, crystalline solids, melting occurs at a specific temperature called

• Boiling point
• Freezing point
• Condensation point
• Melting point

The temperature at which a substance chances from a liquid to a solid

• Boiling point
• Freezing point

• Condensation point
• Evaporation point

Tags

NGSS.MS-PS1-4

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

• Vaporization

• Melting Point
• Freezing Point
• Condensation Point

Tags

NGSS.MS-PS1-4