Kinetic Molecular Theory Postulates

Which of the following is an assumption of the kinetic-molecular theory of gases?

• Collisions between gas particles are inelastic.

• Gases consist of closely spaced particles.

• Gas particles move around in an orderly manner.

• The temperature of a gas depends on the average kinetic energy of the gas particles.

Which states of matter are fluid?

• gases and liquids

• liquids and solids

• gases only

• liquids only

The movement of gas molecules is greatly affected by _________.

• the shape of the container
• size of the container
• temperature of the container

The energy of an object as it is in motion is defined as

• Kinetic Theory
• Kinetic energy
• Potential energy
• Electric energy

Tags

NGSS.HS-PS3-2

Gas molecules can easily be compressed  because ___________. 

• gas molecules are soft
• gas molecules are far apart
• gas molecules follow the shape of the container

The movement of gas molecules is greatly affected by _________.

• the shape of the container
• size of the container
• temperature of the container

Tags

NGSS.HS-PS3-2

The kinetic theory states

• Particles won't move if you don't apply energy to it.

• Particles only move in liquids and gases.

• Particles are always in motion.

• At the same temperature the object that has the most mass heats quicker.

Tags

NGSS.HS-PS3-2

If you spray air freshener on side of the room, why is there a delay for the smell to reach the other side of the room? 


• Attractive forces between air and air freshener particles
• Not enough air freshener particles
• Because the particles like where they are at
• Collisions between air and air freshener particles

Tags

NGSS.HS-PS3-2

NGSS.HS-PS2-1

If you place a balloon in a freezer what happens to the size of the balloon?

• Doubles
• increases
• decreases
• stays still

Tags

NGSS.MS-PS1-4

In which state of matter are the particles moving the least random

• Gas
• Liquid
• Solid
• Plasma

Tags

NGSS.MS-PS1-4