Kinetic Molecular Theory 3B

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-PS1-5

Gas pressure is caused by ______.

• gravity.

• gas molecules colliding with each other.

• gas molecules colliding with surfaces of the container.

• gas molecules reacting with each other.

Tags

NGSS.HS-PS3-2

At what temperature do nitrogen molecules move fastest?

• 350 K
• 300 K
• 250 K
• 200 K

Tags

NGSS.HS-PS1-5

True or false: melting and freezing occur at the same temperature!

• True
• False
• I don't know

Tags

NGSS.MS-PS1-4

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

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

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

Which among the following is NOT true regarding the Kinetic Molecular Theory of gases?

• Gases particles move in straight lines.

• Gas particles are closely packed and their motion is orderly.

• Gas particles are in constant motion.

• Gas particles do not attract or repel each other.

This one is tricky!

The temperature of each flask is given in Kelvin (K). Think about how temperature affects the motion of gas particles. Now think about what causes gas pressure....

Which of the following statements is correct?

• Flask 1 has the lowest pressure

• Flask 3 has the lowest pressure

• Flask 2 has the lowest pressure

• Flask 4 has the lowest pressure

Tags

NGSS.MS-PS1-4

The particles in a gas are ______ away from each other than the particles in a solid

• farther

• closer

• the same distance

Tags

NGSS.HS-PS1-3

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

NGSS.MS-PS3-4