Density

Which box has a higher density?  

• Box A

• Box B

• cannot be determined

• they are the same

What are the units for measuring density of a solid?

• grams

• m/s²

• g/cm³

• newtons

Find the volume of this piece of brass.

• 6 g

• 6 cm

• 6 cm³

• 12 cm³

Why does ice float?

• Liquid water is less dense than solid water.

• Solid water is less dense than liquid water.

• Gaseous water is less dense than solid water.

• Liquid water is less dense than gaseous water.

If an object has a density of .6 g/cm3 and you put it into water, will it sink or float?

• sink

• float

If an object has a density of 3.6 g/cm^3 and you put it into water, will it sink or float?  

• sink

• float

Calculate the density of the cube.

• 2 g/cm³

• 4 g/cm³

• 6 g/cm³

• 8 g/cm³

Tags

NGSS.MS-PS1-2

Why do objects sink or float in H₂O?

• Because their mass and volumes are equal

• Because their densities are using gravity to pull down

• Because their densities are heavier or lighter

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

What is the density of water?

• 0 g/ml

• 1 g/ml

• 10 g/ml

• 100 g/ml

A piece of copper has a mass of 89g and a volume of 10 cm3.  What would be the density of the copper?

• 0.89 g/cm3

• 89 g/cm3

• 8.9 g/cm3

• 890 g/cm3