Lesson: Chapter 9 — Heat

Convection 1 of 4 Reset answers

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Question 1

Why does heated water rise in a beaker?

A It turns to steam B It is pushed by the flame C It becomes less dense D It becomes denser

The right answer is the one marked above.

It becomes less dense. Cooler, denser water sinks to take its place, setting up a convection current.

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