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Difficulty: EasyProperties of Matter

Matter undergoes different physical transitions as thermal energy is added or removed. Match each phase change term on the left with its correct physical description on the right.

  • SublimationThe transition of a substance directly from a solid into a gas
  • CondensationThe transition of a substance from a gas into a liquid
  • FreezingThe transition of a substance from a liquid into a solid
  • MeltingThe transition of a substance from a solid into a liquid

Answer

Sublimation matches 'The transition of a substance directly from a solid into a gas'; Condensation matches 'The transition of a substance from a gas into a liquid'; Freezing matches 'The transition of a substance from a liquid into a solid'; Melting matches 'The transition of a substance from a solid into a liquid'.
Each phase transition is correctly matched based on the initial and final physical states of matter: Sublimation represents solid to gas directly, Condensation represents gas to liquid, Freezing represents liquid to solid, and Melting represents solid to liquid.

Step-by-Step Solution

1
Identify the initial and final states of matter for each term.
Each phase change corresponds to a specific pair of initial and final physical states.
Phase changes are classified by the movement of particles between solid, liquid, and gas phases.
2
Connect Sublimation to its direct phase shift.
Sublimation pairs with the direct shift from solid to gas.
Sublimation skips the liquid state entirely, as seen with dry ice.
3
Connect Condensation to its phase shift.
Condensation pairs with the change from gas to liquid.
Water vapor turning into liquid droplets on a cold surface is the classic example of condensation.
4
Connect Freezing and Melting to their respective liquid-solid boundaries.
Freezing pairs with liquid to solid, while Melting pairs with solid to liquid.
Melting adds heat to liquefy a solid, whereas freezing removes heat to solidify a liquid.

Key Concept

Phase Changes of Matter
Estimated Time:45s
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Topics

Properties of Matter

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