Real-Life Density: Compare and Apply in Everyday Scenarios

A block of wood has a mass of 300 grams and a volume of 150 cm³. What is the density of the wood?

• 4 g/cm³

• 3 g/cm³

• 2 g/cm³

• 1 g/cm³

If a metal cube has a density of 8 g/cm³ and a volume of 50 cm³, what is its mass?

• 200 g

• 500 g

• 300 g

• 400 g

A bottle filled with water has a mass of 1,200 grams. If the bottle itself weighs 200 grams, what is the density of the water inside if the volume of the water is 1 liter?

• 0.5 gram/cm³

• 2 gram/cm³

• 1.5 gram/cm³

• 1 gram/cm³

You have two liquids: Liquid A has a density of 1.2 g/cm³ and Liquid B has a density of 0.8 g/cm³. If you pour both into a container, which liquid will float on top?

• Liquid A

• Both liquids will mix

• Liquid B

• Neither liquid will float

A piece of iron has a mass of 500 grams and a volume of 62.5 cm³. How does its density compare to that of aluminum, which has a density of 2.7 g/cm³?

• The density of iron is equal to that of aluminum.

• The density of iron (8 g/cm³) is greater than that of aluminum (2.7 g/cm³).

• The density of iron is less than that of aluminum.

• The density of iron is 5 g/cm³.

A rock has a mass of 400 grams and displaces 100 cm³ of water when submerged. What is the density of the rock?

• 10 g/cm³

• 4 g/cm³

• 8 g/cm³

• 2 g/cm³

If you have a 2 kg block of plastic with a density of 0.9 g/cm³, what is its volume?

• 2000 cm³

• 1800 cm³

• 2500 cm³

• 2222.22 cm³

A fish tank contains 10 liters of water. If you add a stone with a density of 3 g/cm³ and a volume of 500 cm³, what will be the new density of the water-stone mixture?

• 1.095238 g/cm³

• 0.8 g/cm³

• 2.0 g/cm³

• 1.5 g/cm³

You have two different types of wood: Oak with a density of 0.75 g/cm³ and Pine with a density of 0.5 g/cm³. If you have 1 cubic meter of each, which one is heavier?

• Pine is heavier than Oak.

• Oak is heavier than Pine.

• Oak and Pine have equal densities.

• Both woods weigh the same.

A balloon filled with helium has a density of 0.18 g/cm³. If the surrounding air has a density of 1.2 g/cm³, will the balloon float or sink?

• remain stationary

• sink

• float

• collapse