Kinetic Molecular Theory Science 9 Review

In order to convert degrees Celsius to Kelvin you should _______

• add 273

• subtract 273

• multiply by 1.8 and add 23

• add 100

25 degrees Celsius is ___________ K

• -248

• 298

• 125

• -125

Absolute zero is ____________.

• The only time molecules would not be moving

• 0 degrees Celsius

• -273 K

• The temperature in outer space

Tags

NGSS.HS-PS3-2

Which list of phase changes includes on changes that will increase the attraction between atoms?

• Melting, Boiling, Sublimation

• Freezing, Condensation, Deposition

• Melting, Boiling, Deposition

• Freezing, Condensing, Sublimation

Tags

NGSS.MS-PS1-4

Which state of matter has defined volume but not shape?

• Solid

• Liquid

• Gas

Which process changes a gas to a solid?

• solidification
• deposition
• sublimation
• freezing

Gases are described as having a 

• definite shape and indefinite volume
• indefinite shape and indefinite volume
• definite shape and definite volume
• indefinite shape and definite volume

When a liquid changes its phase and turns into a gas it is known as

• condensation.
• sublimation.
• vaporization.
• freezing.

Tags

NGSS.MS-PS1-4

Gas molecules can easily be compressed  because ___________. 

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

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