Question detail

Which of the following best describes the recycling process for metals?

Try the question, check the answer, then read the explanation to understand the curriculum point.

At a glance

MCQ

Type

practice

Style

Topic

Life cycle assessment and recycling

Question

  1. A. Melting and reforming into new shapes
  2. B. Shredding and burying
  3. C. Burning and converting to ash
  4. D. Dissolving in acid

Answer

The correct option is Melting and reforming into new shapes. This answer is correct because it matches the approved learning objective to describe how metals can be recycled by melting and recasting or reforming in the subtopic Ways of reducing the use of resources.

Explanation

The correct option is Melting and reforming into new shapes. Melting and reforming into new shapes is correct because it directly supports the approved learning objective to describe how metals can be recycled by melting and recasting or reforming. This belongs to the subtopic Ways of reducing the use of resources within Life cycle assessment and recycling, so the explanation must stay tied to that curriculum context. The other options are incorrect because they either do not answer this learning objective, use a vague statement, or move away from Ways of reducing the use of resources.

Common mistake

Misunderstanding Metal Recycling

Students often confuse the processes of melting and recasting metals with simply reusing them without processing.

Emphasize that recycling metals involves melting them down and reforming them into new products, rather than just reusing the same metal item.

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