Classwork: Gases Lesson 1

These properties describe a ___.

• solid

• liquid

• gas

Gas pressure is caused by

• gas molecules colliding with surfaces
• gas molecules condensing to a liquid
• gas molecules hitting other gas molecule
• barometers

Which of the following is true regarding the kinetic molecular theory of gases?

• Gas particles are attracted to one another.

• 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.

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

• farther

• closer

• the same distance

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.

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

• Motion 1

• Motion 2

• Motion 3

• Motion 4

The movement of gas molecules is greatly affected by _________.

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

Gas Laws involve what three terms?

• Solid Liquid Gas 
• Speed Velocity Acceleration 
• Elements Compounds Mixtures 
• Pressure Temperature Volume 

How do gas molecules move? 

• in an orderly fashion 
• constantly and randomly
• in straight line paths
• in a circular motion

True or False: Gases can be compressed. 

• True
• False