Las fases cambiantes de la materia: video de evaluación

The video tutorial guides students through a fill-in-the-blank exercise about phases of matter. It covers the properties of liquids, phase changes, and transitions between different states of matter, such as liquid to solid and liquid to gas.

What is the main topic introduced at the beginning of the quiz?

• Atomic structure

• Types of chemical reactions

• Phases of matter

• Properties of gases

Which of the following is true about liquids?

• They have both undefined shape and volume.

• They have a definite shape but an undefined volume.

• They have an undefined shape but a definite volume.

• They have a definite shape and volume.

What happens during a phase change?

• A substance gains or loses energy.

• A substance changes its color.

• A substance changes its chemical composition.

• A substance remains in the same state.

What is the process called when a liquid turns into a solid?

• Evaporation

• Condensation

• Freezing

• Melting

Which phase change involves a liquid becoming a gas?

• Sublimation

• Evaporation

• Condensation

• Freezing