Density and Volume

What is the formula for density?

• density = mass x volume

• density = mass / volume

• density = mass + volume

• density = mass - volume

Frank has an eraser. It has a mass of 4g, and a volume of 2cm³. What is its density?

• 8 g/cm³

• 2 g/cm³

• 1/2 g/cm³

• 24 g/cm³

Jack has a rock. The rock has a mass of 14g and a volume of 2cm³. What is the density of the rock?

• 7 mL

• 7 g/cm³

• 28 g/cm³

• 1/7 g/cm³

Why do some substances float on water?

• they are warmer than water

• they are cooler than water

• they are more dense than water

• they are less dense than water

True or False:  The density of a specific type of material never changes.  

• True

• False

If the density of a bar of gold is 19.3 g/cm³ and you cut it into 4 pieces, what is the density of each piece of gold?  

• 4.825 g/cm³

• 9.65 g/cm³

• 19.3 g/cm³

• 38.6 g/cm³

Tags

NGSS.MS-PS1-2

Helium balloons rise on earth because

• helium is less dense than air

• helium is more dense than air

• helium is cooler than air

• helium is warmer than air

Which units of measurement are used for volume?

• grams

• centimeters

• grams/milliliter

• milliliter

What units are used to measure Density?

• cm³/g

• g

• g/cm³

• cm³

What is this tool to get volume?

• triple beam balance

• ruler

• thermometer

• graduate cylinder