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General science · Difficulty 3

Try this ASVAB-style question.

Choose your answer before opening the explanation. This original practice item is for preparation and does not reproduce an official test question.

Question

Which situation is the best example of conduction?

  1. Lemon juice turns blue litmus paper red.
  2. A leaf uses sunlight, water, and carbon dioxide to produce sugar.
  3. A dropped tool accelerates toward the ground.
  4. A metal spoon warms while resting in hot soup.
Reveal answer and explanation

A metal spoon warms while resting in hot soup.

conduction is transfer of thermal energy through direct particle contact. A metal spoon warms while resting in hot soup.

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