What is the density of liquid water?

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Study for the Earth Science Standards of Learning Test. Use flashcards and multiple choice questions, with hints and explanations for each question. Prepare for your exam efficiently!

Multiple Choice

What is the density of liquid water?

Explanation:
Density is mass per unit volume. For liquid water, the mass of one milliliter is about one gram, so its density is about 1 g/mL. This is the standard reference value at typical temperatures, with only small variations (roughly 0.998 g/mL at room temperature, about 1.0 g/mL near 4°C). Because of this density, objects with lower density float on water and those with higher density sink. The other numbers would imply water is much denser or less dense than it actually is under ordinary conditions.

Density is mass per unit volume. For liquid water, the mass of one milliliter is about one gram, so its density is about 1 g/mL. This is the standard reference value at typical temperatures, with only small variations (roughly 0.998 g/mL at room temperature, about 1.0 g/mL near 4°C). Because of this density, objects with lower density float on water and those with higher density sink. The other numbers would imply water is much denser or less dense than it actually is under ordinary conditions.

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