Kinetic molecular theory

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 condition is necessary for most gases to behave nearly ideally?

• high pressure

• high temperature

• low compressibility

• low expansion

Which states of matter are fluid?

• gases and liquids

• liquids and solids

• gases only

• liquids only

1. Kinetic refers to _______________

• Force

• Energy

• Motion

• Acceleration

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What state of matter consists of tightly packed atoms?

• Solid
• liquid
• gas
• plasma

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-4

Adding thermal energy to matter casues its particles to _________________.

• move slower
• move faster
• melt
• feeze

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Adding heat to a solid makes the particles move...

• Particles in a solid are not moving

• Slower

• At the same rate as before the heat was applied

• Faster

Tags

NGSS.MS-PS1-4

Which type of motion in the figure best represents the movement of gas particles?

• Motion 1

• Motion 2

• Motion 3

• Motion 4

Tags

NGSS.MS-PS1-4

Of these three states of matter, which one has the most kinetic energy? 

• Solid 
• Liquid 
• Gas

Tags

NGSS.HS-PS3-2

What happens to matter as its temperature increases?

• The average kinetic energy of its particles decreases

• The average thermal energy of its particles decreases

• The particles gain kinetic energy

• The particles lose potential energy