Density

What units are used to measure Mass?

• grams (g) or kilograms (kg)

• liters (L)

• meters (m)

• joules (J)

What units are used to measure Volume?

• cm² or m²

• cm³ or m³

• liters or gallons

• pints or quarts

If two objects have the same volume but different masses, which one has a greater density?

• The object with the greater mass has a greater density.

• The object with the lesser mass has a greater density.

• Both objects have the same density.

• Density cannot be determined without additional information.

How can you determine if an object will sink or float in water?

• If the object's density is less than 1 g/cm³, it will sink.

• If the object's density is greater than 1 g/cm³, it will float.

• If the object's density is equal to 1 g/cm³, it will sink.

• If the object's density is greater than 1 g/cm³, it will sink.

What is the formula for calculating Density?

• Density = Mass + Volume

• Density = Mass - Volume

• Density = Mass / Volume

• Density = Mass * Volume

If a liquid has a density of 0.8 g/cm³, will it float on water?

• Yes, because it is less dense than water.

• No, because it is denser than water.

• Yes, because it has a higher viscosity than water.

• No, because it is heavier than water.

What is the significance of density in real-world applications?

• Density is crucial for understanding material properties and behaviors in fields like engineering, material science, and environmental science.

• Density is only important in cooking and food science.

• Density has no real-world applications and is purely a theoretical concept.

• Density is primarily used to measure temperature in various substances.

Tags

NGSS.MS-PS1-2

What is Density?

• Density is the mass of an object divided by its volume, typically expressed in g/cm³.

• Density is the weight of an object divided by its height, typically expressed in kg/m².

• Density is the volume of an object divided by its mass, typically expressed in m³/kg.

• Density is the temperature of an object divided by its mass, typically expressed in °C/g.

How does temperature affect the density of liquids?

• Generally, as temperature increases, the density of liquids decreases.

• Generally, as temperature increases, the density of liquids increases.

• Temperature has no effect on the density of liquids.

• The density of liquids fluctuates randomly with temperature.

Tags

NGSS.MS-PS1-4

If an object has a mass of 10 g and a volume of 2 cm³, what is its density?

• 2 g/cm³

• 5 g/cm³

• 10 g/cm³

• 20 g/cm³