The state of matter that has a definite shape and a definite volume is a solid.

Quick Scoop: The Direct Answer

  • Solids keep their own shape without needing a container.
  • Solids also keep the same amount of space (volume) unless they are cut or broken.

So if the question is: “Which state of matter has a definite shape and a definite volume?”
The correct answer is: Solid.

In simple terms: a wooden block, a rock, or a metal spoon all stay the same shape and size unless you forcefully change them — that is what makes them solids.

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