2.5 Phase Changes of Matter

What takes place when water changes from a liquid to a gas?

• Condensation

• Melting

• Evaporation

• Freezing

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What takes place when water changes from a solid to a liquid?

• Condensation

• Melting

• Freezing

• Evaporation

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What takes place when water changes from a gas to a liquid?

• Sublimation

• Evaporation

• Condensation

• Melting

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When the temperature of matter increases the particles...

• speed up and move closer

• speed up and move farther apart

• slow down and move farther apart

• pressure decreases

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When a gas forms directly from a solid, skipping the liquid phase. it is called

• sublimation

• condensation

• evaporation

• deposition

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Both boiling and evaporation are forms of vaporization. What is the difference between them?

• Boiling liquids have intense heat added to it, evaporating liquids take heat from their environment.

• Boiling happens quickly, evaporation happens slowly.

• Evaporation occurs only at a liquid's surface, boiling occurs throughout the liquid

• All of these reasons

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What is it called when the state of matter changes from a liquid to a solid?

• Melting

• Freezing

• Condensation

• Boiling

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When ice sits out on a counter and melts, it is because the ice has...

• gained mass

• gained energy

• lost mass

• lost energy

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When water sits in the freezer and freezes into ice, it is because the water has...

• gained mass

• gained energy

• lost mass

• lost energy

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The TOTAL kinetic energy of particles in a substance is its...

• Heat

• Volume

• Thermal Energy

• Temperature

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