What is the unit used when measuring the volume of a regular object?

• Liters

• Cubic meters

• Grams

• Milliliters

How do you measure the volume of an irregular object?

• Using a scale

• Using a ruler

• Using a formula

• Using the displacement of water

What is the base unit for measuring mass?

• Cubic meters

• Meters

• Liters

• Grams

Why might a large piece of styrofoam have less mass than a smaller piece of lead?

• Styrofoam is denser than lead

• Lead has more air pockets

• Lead particles are heavier and more closely packed

• Styrofoam particles are heavier

What does density measure?

• The mass per unit volume of an object

• The weight of an object

• The height of an object

• The volume of an object

What is the density of water?

• 0.5

• 3

• 1

• 2

Why does a helium balloon float in the air?

• Helium is more dense than air

• Helium is less dense than air

• Helium is the same density as air

• Helium is heavier than air

What unit is used for density when mass is in grams and volume is in milliliters?

• Grams per cubic meter

• Kilograms per cubic meter

• Kilograms per liter

• Grams per milliliter

If an object has a mass of 25 grams and a volume of 10 milliliters, what is its density?

• 2.5 kilograms per cubic meter

• 2 grams per milliliter

• 2.5 grams per milliliter

• 2 kilograms per cubic meter

Using the triangle method, how would you calculate volume if you know the mass and density?

• Mass times density

• Density divided by mass

• Density plus mass

• Mass divided by density