How do you determine the density of a liquid?

Related questions

• How can density be used to identify substances?
• How can you find mass from density?
• How are density mass and volume related?
• How do you calculate mass using density and volume?
• How do you convert mass to density?
• How do you determine the density of a gas?
• What is the density of water?
• What is linear mass density?
• Why does density change with temperature?
• How does density affect ocean currents?