States of Matter

Which of the following statements is NOT true of atoms and molecules?

• They are tiny particles.

• They are always in motion.

• They are found in all matter.

• They never bump into each other.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

In a solid, the particles

• overcome the strong attraction between them.

• vibrate in place.

• slide past one another.

• move independently of one another.

A gas has

• a definite volume but no definite shape.

• a definite shape but no definite volume.

• fast-moving particles.

• particles that are always close together.

Which of the following describes the tiny particles that make up matter?

• They are sometimes in motion.

• They are in constant motion.

• They are never in motion.

• They are sometimes not in motion.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-1

Which of the following statements is NOT true?

• Particles of a gas move independently and collide frequently.

• Particles of a solid vibrate in place.

• Particles of a liquid can move past one another.

• Particles of a gas are locked in position.

Tags

NGSS.MS-PS1-4

What happens when a liquid becomes a gas?

• The particles give off energy.

• The particles move more quickly.

• The particles move closer together.

• The particles slow down.

Tags

NGSS.MS-PS1-4

Which of the following is true about a change of state?

• It is a chemical change.

• It is a chemical and physical change.

• It is a physical change.

• It can be either a physical or chemical change.

Tags

NGSS.MS-PS1-4

What is the same as the melting point of ice?

• its boiling point

• its condensation point

• its freezing point

• its sublimation point

Tags

NGSS.MS-PS1-4

Carbon dioxide gas enters the air from the surface of a block of dry ice. What happens to the carbon dioxide in this process?

• The carbon dioxide gains energy.

• The carbon dioxide boils.

• The carbon dioxide increases in pressure.

• The carbon dioxide releases energy.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following is true about a substance’s condensation point?

• It is the same as its boiling point.

• It is the same as its evaporation point.

• It varies depending on temperature.

• It is the same as its melting point.