Phase Changes and Heat Energy Cornell Doodle Notes

Multiple Choice

Which of the following best describes kinetic energy?

• The energy of an object due to its motion

• The energy stored in chemical bonds

• The energy an object has due to its position

• The energy released during a nuclear reaction

Multiple Choice

Which of the following statements best describes what happens to particles at high temperatures according to the Kinetic Molecular Theory?

• Particles move slower and have less energy.

• Particles stop moving completely.

• Particles move faster and have more energy.

• Particles lose all their kinetic energy.

Multiple Choice

Thermal energy depends on which of the following factors?

• The type of particles, the total number of particles, and how fast the particles are moving.

• Only the temperature of the system.

• Only the number of particles in the system.

• Only the type of particles in the system.

Fill in the Blanks

Increasing or decreasing thermal energy can change the

of matter of a substance.

Open Ended

How does energy relate to the states of matter?

Multiple Choice

In solids, how are the particles arranged and how do they move?

• Particles are far apart and move freely.

• Particles are tightly packed and hardly move, holding a regular pattern.

• Particles are loosely packed and move past each other.

• Particles are arranged randomly and move rapidly.

Multiple Choice

How does the energy of particles differ between liquids, gases, and plasmas?

• Liquids have the least energy, gases have more, and plasmas have the most.

• Liquids have the most energy, gases have less, and plasmas have the least.

• Gases have the least energy, plasmas have more, and liquids have the most.

• Plasmas have the least energy, liquids have more, and gases have the most.

Fill in the Blanks

Absolute zero is the temperature at which the motion of particles would theoretically stop completely. This temperature is

on the Kelvin scale.

Multiple Choice

Which of the following can be considered phase changes?

• Melting, Freezing, Condensation, Sublimation

• Melting, Evaporation, Magnetization, Freezing

• Condensation, Magnetization, Solidification, Evaporation

• Sublimation, Magnetization, Freezing, Ionization

Open Ended

What are phase changes and what causes them to occur?

Open Ended

What are the phase changes?

Labeling

Label the diagram with the appropriate word to describe changing the state of matter.

Drag labels to their correct position on the image

condensation

melting

freezing

imitation

sublimation

evaporation

deposition

Fill in the Blanks

The process of changing from a liquid to a solid is called

.

Multiple Choice

Which phase change occurs when a solid turns directly into a gas?

• Sublimation

• Deposition

• Condensation

• Melting

Multiple Choice

Select all the examples that represent a phase change from gas to liquid.

• Droplets on a window

• Boiling water

• Dry ice subliming

• Frost on a windshield

Open Ended

Explain the difference between ionization and deionization in terms of phase changes.

Multiple Choice

Which phase changes require the addition of thermal energy?

• Melting, vaporization, sublimation, ionization

• Freezing, condensation, deposition, deionization

• Condensation, melting, deposition, ionization

• Vaporization, freezing, deionization, sublimation

Open Ended

How does the transfer of energy and the temperature of a substance during a phase change look on a graph?

Fill in the Blanks

During the phase change from solid to liquid, the temperature remains

.

Multiple Choice

Which of the following phase changes occurs when a substance goes from a liquid to a gas?

• Freezing

• Condensation

• Vaporization

• Melting

Open Ended

How does kinetic energy relate to the motion of particles during phase changes?

Open Ended

How are thermal energy, particle motion, and state of a substance related?