Density

Why do objects sink or float in H₂O?

• Because their densities are higher or lower than compared to water

• Because their densities are using gravity to pull down

• Because their densities are heavier or lighter

• Because their mass and volumes are equal

Which box has a higher density?  

• Box A

• Box B

• cannot be determined

• they are the same

If the volume of a box stays the same, but the mass is increased (add more stuff), what will happen to the density of the box?

• It will increase

• It will stay the same

• It will decrease

• The volume will increase

If an object has a density of 1.6 g/mL and you put it into plain water, will it sink or float?  

• sink

• float

Which of Earth’s layers has the lowest density?

• Crust

• Inner core

• Mantle

• Outer core

Why does Earth have different layers?

• Different densities of the planet's materials

• Different volumes of the planet's materials

• Different masses of the planet's materials

• Different colors of the planet's materials

Which of the following statements is TRUE?

• The inner core is less dense than the outer core.

• The continental crust is denser than the oceanic crust.

• The oceanic crust is denser than the continental crust.

• The outer core is less dense than the asthenosphere.

The ratio between mass and volume is called __________.

• Ratio properties

• mass

• volume

• density

Density of an object can be found by __________.

• Volume / Mass

• Mass / Volume

• Weight / Area

• Mass / Area

What is the density of an object which has a mass of 60 grams and a volume of 20 cm^{3 ?}

• 30 g / cm³

• 3 g / cm³

• 40 g/ cm³

• 4 g/ cm³