Phases of Matter & Kinetic Molecular Theory

What does KMT stand for in the context of the learning intention?

• Kinetic-Molecular Theory

• Kinetic-Motion Theory

• Kinetic-Matter Theory

• Kinetic-Mass Theory

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

What does the term "kinetic" pertain to?

• Heat

• Motion

• Light

• Sound

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

In which state of matter are particles closely packed but still able to move past each other?

• Liquid

• Gas

• Solid

• Plasma

Tags

NGSS.MS-PS1-4

Which state of matter has particles that are tightly packed and vibrate in place?

• Solid

• Liquid

• Gas

• Plasma

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

According to the kinetic-molecular theory, what is always true about particles of matter?

• They are always in motion.

• They are always stationary.

• They move only when heated.

• They move only when cooled.

Tags

NGSS.HS-PS3-2

What is the arrangement of particles in solids according to the kinetic theory?

• Randomly scattered

• Closely packed in fixed positions

• Loosely packed and moving freely

• Arranged in layers

Which state of matter has the lowest amount of kinetic energy?

• Gas

• Liquid

• Solid

• Plasma

What do solid particles do around a fixed position?

• Flow freely

• Vibrate

• Expand

• Contract

What is a characteristic of liquids according to the Kinetic-Molecular Theory?

• Liquids have a definite shape and volume.

• Liquids have a definite volume but take the shape of their container.

• Liquids have neither definite shape nor volume.

• Liquids have a definite shape but no definite volume.

What allows liquid particles to flow around one another?

• Weak attractive forces.

• Strong attractive forces.

• Lack of structure.

• High temperature.

Tags

NGSS.MS-PS1-4