Unit Test Part II

Which phase change transforms a gas directly into a solid?

• Melting

• Freezing

• Deposition

• Sublimation

What happens to the particles of a substance as it undergoes evaporation?

• Particles condense

• Particles freeze in place

• Particles spread farther apart

• Particles move closer together

What process is occurring when water droplets form on the outside of a cold glass?

• Melting

• Deposition

• Sublimation

• Condensation

Which phase change requires a decrease in both temperature and kinetic energy?

• Evaporation

• Sublimation

• Condensation

• All of the above

What phase change is involved in the formation of clouds?

• Freezing

• Evaporation

• Sublimation

• Condensation

When water vapor turns into liquid water, what phase change is taking place?

• Melting

• Freezing

• Evaporation

• Condensation

What happens to the kinetic energy of particles when a substance melts?

• It stops

• It increases

• It decreases

• It remains the same

During sublimation, what happens to the arrangement of particles in a solid?

• They come closer together

• They remain in fixed positions

• They rearrange into a new solid

• They become disordered and spread out

Which of the following processes demonstrates a phase change from liquid to gas?

• Melting wax

• Boiling water

• Freezing juice

• Condensing vapor

In which scenario does deposition occur?

• Frost forming on a window

• Ice cubes melting in a glass

• Wet clothes drying in the sun

• Steam rising from a pot of water