#1
What is the formula for calculating density?
Mass / Volume
ExplanationDensity is calculated by dividing mass by volume.
#2
A cube has a mass of 50 grams and a volume of 10 cm^3. What is its density?
10 g/cm^3
ExplanationDensity is calculated by dividing mass by volume, giving 10 g/cm^3.
#3
Which property of a substance remains constant regardless of the sample size?
Density
ExplanationDensity remains constant regardless of the sample size.
#4
What is the SI unit of density?
Kilograms per cubic meter (kg/m^3)
ExplanationThe SI unit of density is kilograms per cubic meter (kg/m^3).
#5
What is the density of a substance if it has a mass of 100 grams and a volume of 50 cm^3?
2 g/cm^3
ExplanationDensity is calculated by dividing mass by volume, giving 2 g/cm^3.
#6
Which unit is commonly used to express density?
Grams per cubic centimeter (g/cm^3)
ExplanationDensity is commonly expressed in grams per cubic centimeter (g/cm^3).
#7
The density of water is approximately:
1 g/cm^3
ExplanationWater's density is approximately 1 g/cm^3.
#8
What happens to the density of an object if its mass increases while its volume remains constant?
Density increases
ExplanationIf mass increases while volume remains constant, density increases.
#9
Which substance would typically have the highest density?
Steel
ExplanationSteel typically has the highest density among the options.
#10
If the density of an object is 2 g/cm^3 and its volume is 10 cm^3, what is its mass?
20 g
ExplanationMass is calculated by multiplying density by volume, giving 20 g.
#11
A metal cube has a mass of 400 grams and a volume of 80 cm^3. What is its density?
5 g/cm^3
ExplanationDensity is calculated by dividing mass by volume, resulting in 5 g/cm^3.
#12
What is the density of an object if it floats in water?
Less than the density of water
ExplanationFor an object to float in water, its density must be less than that of water.
#13
How does temperature affect the density of most substances?
As temperature increases, density decreases
ExplanationAs temperature rises, the density of most substances decreases.
#14
What is the density of a substance with a mass of 500 grams and a volume of 250 cm^3?
2 g/cm^3
ExplanationDensity is calculated by dividing mass by volume, resulting in 2 g/cm^3.
#15
Which of the following materials would have the lowest density?
Cotton
ExplanationCotton typically has the lowest density among the options.