Density

What is density?

• The weight of an object

• The quantity of matter packed into a unit volume of material

• The volume of an object

• The mass of an object

In which units can density be measured?

• Kilograms per square meter (kg/m²)

• Grams per liter (g/L)

• Kilograms per cubic meter (kg/m³) or grams per cubic centimeter (g/cm³)

• Liters per cubic meter (L/m³)

What is the formula for density?

• Density = Volume / Mass

• Density = Mass x Volume

• Density = Mass / Volume

• Density = Volume - Mass

How does increasing the pressure on a substance generally affect its density?

• It decreases the density

• It increases the density

• It has no effect on the density

• It changes the mass

How does increasing the temperature of a substance generally affect its density?

• It increases the density

• It decreases the density

• It has no effect on the density

• It changes the volume

What is the relationship between the density of a substance and its mass in a given space?

• The denser a substance is, the less mass it has in a given space

• The denser a substance is, the more mass it has in a given space

• The denser a substance is, the more volume it has in a given space

• The denser a substance is, the less volume it has in a given space

What is an example of a denser substance compared to another?

• A block of wood is denser than a block of lead

• A block of lead is denser than a block of wood

• A block of ice is denser than a block of water

• A block of air is denser than a block of water

What is the effect of increasing the temperature of a substance on its volume?

• It decreases the volume

• It increases the volume

• It has no effect on the volume

• It changes the mass

What is the principle that explains the decrease in density with an increase in temperature?

• Convection currents

• Thermal expansion

• Pressure increase

• Mass conservation

What is the effect of increasing the pressure on a substance's volume?

• It increases the volume

• It decreases the volume

• It has no effect on the volume

• It changes the mass