States of Matter Practice Problems

Classify the following change as sublimation, deposition, freezing, or melting: Cirrus clouds are high clouds and only form around 5-9 kilometers above ground.

Classify the following change as melting, freezing, sublimation, or deposition: Pure liquid acetic acid becomes a glacier-like mass when the temperature of the room is lowered to and maintained at 16 °C.

A block of butter turns into a liquid on a warm pan. Identify the change of state as melting, freezing, sublimation, or deposition.

A naphthalene ball was inside a closet one day but was no longer there after a year, leaving behind a recognizable odor. Identify whether melting, freezing, sublimation, or deposition has occurred.

Nitrogen fills the whole car tire volume. Is nitrogen here a gas, a liquid, or a solid?

Identify whether the matter described is a gas, a liquid, or a solid: A definite volume of medication is stored in a vial, taking the small container's shape but not the entire volume.

Anything that occupies space and has mass defines matter. Determine and differentiate the three states of matter.

Identify the name of the phase change of a gas to a solid

The process of sublimation is the direct transition from _____.