KMT

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.

The molecules of a gas are in constant and random motion.

• TRUE
• FALSE
• DEPENDS UPON THE KIND OF MOLECULE

Tags

NGSS.HS-PS2-1

NGSS.HS-PS3-2

What happen to the energy of the system when the molecules collide with each other?

• Energy increases
• Energy decreases
• Energy remains the same

Tags

NGSS.MS-PS3-4

Gas molecules can easily be compressed  because ___________. 

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

Gas particles have the ________ kinetic energy because they move the fastest.

• least
• most

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

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

The random molecular motion of a substance is greatest when the substance is

• condensed
• frozen
• gas
• a liquid

Tags

NGSS.MS-PS1-4

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.MS-PS1-4

NGSS.MS-PS3-4

Particles in a solid move __________, than particles in a liquid

• faster
• slower

Tags

NGSS.MS-PS1-4

Particles in a liquid move __________, than particles in a gas

• faster
• slower

Tags

NGSS.HS-PS3-2