kinetic theory

The state of matter having no definite shape or volume.

• solid
• liquid
• gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

As a material is heated, it's particles....

• get smaller
• slow down
• get cooler
• move more quickly

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The state of matter with definite volume but no definite shape.

• solid
• liquid 
• gas

Tags

NGSS.MS-PS1-4

A measure of the average kinetic energy of the particles in a sample of matter.

• temperature
• meter
• second

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which statement about the molecules in the gas carbon dioxide is correct?

• The molecules are close together.

• The molecules are diatomic.

• The molecules move randomly.

• The molecules all move with the same speed.

Which of the following statements about the particle of a gas is true?

• Gases can be compressed because their particles are smaller than those of liquids or solids.
• Gases can be compressed because there is plenty of space between their particles.
• Gases can be compressed because they have low boiling points.
• Gases can be compressed because their particles are more elastic than those of liquids or solids.

An inflated balloon is placed in a refrigerator. Which statement describes the movement of the gas particles in the balloon?

• The particles move more slowly and become closer together.
• The particles move more slowly and become further apart.
• The particles move faster and become closer together.
• The particles move faster and become further apart. 

Tags

NGSS.MS-PS1-4

Which of the following statements about the kinetic particle theory is not true?

• The particles of a gas move faster than those of a liquid.
• The particles of a solid have more kinetic energy than those of a gas.
• The particles that make up matter are always moving.
• The forces of attraction between the particles of a solid are very strong.

Tags

NGSS.MS-PS1-4

Which of the following statements about the particle of a gas is true?

• The particles of a gas vibrate about fixed positions.
• The particles of a gas are packed close together in a disorderly arrangement.
• The particles of a gas are far apart and move in all directions.
• The particles of a gas are stationary in an orderly arrangement.

Tags

NGSS.HS-PS2-1

NGSS.HS-PS3-2

Particles are always moving.

• True

• False

Tags

NGSS.MS-PS1-4