Question 1

How does temperature affect liquid density?

Accepted Answer

Most liquids become less dense when heated. Exception: water is densest at 4°C.

Question 2

What is the density of common liquids?

Accepted Answer

Milk: 1.03. Olive oil: 0.92. Honey: 1.42. Gasoline: 0.75 (all in g/cm³).

Question 3

What's the relationship between density and specific gravity?

Accepted Answer

Specific gravity is density relative to water (1 g/cm³). So a material with SG of 2.5 is 2.5 times denser than water, or 2500 kg/m³.

Question 4

Why does temperature affect density?

Accepted Answer

Most materials expand when heated, decreasing density. Water is unusual - it's densest at 4°C. This is why ice floats.

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