Kinetic Theory

If the atoms of an object are moving fast, the temperature would be...

• High

• Low

Tags

NGSS.MS-PS1-4

When air in a hot air balloon is heated the air inside the baloon...

• expands

• contracts

• evaporates

• condenses

Tags

NGSS.MS-PS1-4

Which of the following is NOT an assumption of the kinetic theory?

• Particles in matter are stationary.

• The particles collide with each other and with the walls of any container in which they are held.

• All matter is composed of tiny particles (atoms, molecules, and ions).

• Particles are in constant, random motion.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

If a gas at 300K has a volume of 2L, what will its volume be at 600K? If needed, round to the nearest hundredth. Type your final answer AND the corresponding unit.

Tags

NGSS.MS-PS1-4

Which of the following best describe what happens when a solid changes to a gas?

• Thermal energy is released.

• There is no energy change.

• The particles stop moving.

• Thermal energy is absorbed.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What happens to the flow of a fluid as its velocity increases?

• It is experiencing high pressure.

• The temperature rises.

• The fluid's volume decreases.

• It is experiencing low pressure.

Which of the following statements are true regarding the kinetic molecular theory? (Select two)

• The movement of particles is random.

• Particles in solids have no motion.

• Particles have volume.

• Particles are always in motion.

If an object has particles that are moving very quickly, the object 's temperature is probably _____

• cold

• slow

• big

• hot

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Order the molecules from slowest to fastest.

• Solid

• Gases

• Liquid

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

Which of the following statements is a fundamental assumption of the kinetic theory of gases?

• Particles are in constant, random motion.

• Particles are stationary and fixed in place.

• Particles only move when energy is added.

• Particles do not collide with each other.