7.1 Objects or Materials which are More or Less Dense than Water

Report 1 / 5

Which of the following objects sink in water?

Difficulty Level: Easy

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Siti has thrown a ball and a metal key into a pond.

What will happen to these two objects?

Difficulty Level: Easy

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Why does the sponge float on the water surface?

Difficulty Level: Easy

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What material can be added to make water denser?

Difficulty Level: Medium

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Which of the following is correct?

I.		Objects less dense than water will float

II.		Objects more dense than water will sink

III.		Objects less dense than water will sink

IV.		Objects more dense than water will float

Difficulty Level: Medium