Particles of Matter

Which statement best describes the fact that gases can be compressed?

• The particles in a gas do not have a fixed volume.

• The particles in a gas are very far apart.

• The particles in a gas have no force of attraction (bonds) between them.

• The particles in a gas are constantly moving very rapidly.

The three states of matter are represented by diagrams X, Y and Z. Which change occurs during condensation?

• X to Y

• X to Z

• Y to X

• Z to X

Tags

NGSS.MS-PS1-4

Which description best matches this particle model?

• Closely packed and vibrate about a fixed position.

• Particles are close together but can slide past each other.

• Particles have lots of energy and can move around.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

What is the name given to change of state from a solid to a liquid?

• melting

• freezing

• evaporating

• condensing

Tags

NGSS.MS-PS1-4

Which statement best describes the fact that a liquid cannot be compressed?

• The particles in a liquid are all close and touching.

• The particles in a liquid are constantly moving.

• The particles in a liquid have weak attractive forces between them.

• The particles in a liquid can change position.

Which statement about liquids is correct?

• They have a fixed shape and a fixed volume.

• They have a fixed shape but not a fixed volume.

• They have no fixed shape but they do have a fixed volume.

• They have no fixed shape and no fixed volume.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

These particles are held together be very strong forces of attraction

• Solid
• Liquid
• Gas
• Plasma

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Their particles are packed closely together without a fixed regular pattern

• Solid
• Liquid
• Gas
• Plasma

In a solid, ___________________. (Select all that apply).

• Particles are packed closely together

• Particles have a fixed shape

• Particles vibrate about their fixed positions

• Particles slide across one another

• There are strong forces of attraction between particles.

How many changes of state occur in this graph?

• 1

• 2

• 3

Tags

NGSS.MS-PS1-4