Question

Q. 4 - Pumice is an igneous rock. Some of them float on water. Can you say why?

Answer 1

Answer:

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Explanation: Pumice stone, unlike regular rock, does not sink in water because it has a low density. Pumice stone is igneous rock formed when lava cools quickly above ground (lava froth). You can clearly see where little pockets of air have formed.

Answer 2

Answer:

Pumice stone, unlike regular rock, does not sink in water because it has a low density.

Pumice stone is igneous rock formed when lava cools quickly above ground (lava froth).

You can clearly see where little pockets of air have formed.

Explanation:

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