Fluid Density

What is the definition of fluid density?

• The amount of space a fluid occupies

• The mass of a fluid per unit volume

• The weight of a fluid

• The temperature of a fluid

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DOK Level 1: Recall

If you have 1 liter of water and 1 liter of oil, which one is likely to be less dense?

• Water

• Oil

• Both have the same density

• Cannot be determined

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DOK Level 1: Recall

What is the formula for calculating density?

• Density = Mass × Volume

• Density = Mass ÷ Volume

• Density = Volume ÷ Mass

• Density = Mass + Volume

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DOK Level 1: Recall

What is the unit of density in the metric system?

• Kilograms per liter (kg/L)

• Grams per cubic centimeter (g/cm³)

• Liters per kilogram (L/kg)

• Meters per second (m/s)

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DOK Level 1: Recall

Which gas is less dense than air?

• Oxygen

• Carbon dioxide

• Helium

• Nitrogen

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DOK Level 1: Recall

If a liquid has a density of 1.2 g/cm³, will it float or sink in water? density of water is 1 g/cm3

• Float

• Sink

• Neither float nor sink

• Cannot be determined

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DOK Level 1: Recall

Which of the following statements is true about the density of gases? Look in your textbook under density of gases

• Gases have a fixed density

• The density of gases is generally higher than that of liquids

• The density of gases can change with temperature and pressure

• Gases do not have density

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DOK Level 1: Recall

What happens to the density of a liquid if its temperature increases? It is going from a liquid to a gas

• Density increases

• Density decreases

• Density remains the same

• Cannot be determined

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DOK Level 1: Recall

How does the density of a fluid affect its buoyancy?

• Higher density fluids are more buoyant

• Lower density fluids are more buoyant

• Density does not affect buoyancy

• Only gases are affected by buoyancy

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DOK Level 1: Recall

Which of the following factors does NOT affect the density of a fluid?

• Temperature

• Pressure

• Volume

• Color

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DOK Level 1: Recall