Contrast and Density

Objects that float on water are

• less dense than water

• more dense than water

• just as dense as weater

In the equation D=M/V, what does the V stand for

• volume

• variable

• velocity

Chemists often compare the density of substances to the density of what liquid?

• mercury

• water

• oil

A measure of how much matter is present in a substance

• mass

• volume

• density

In the equation, D=M/V, what does the D stand for?

• degree

• displacement

• density

A liquid has a volum of 4mL and a mass of 12 grams. Which calculationi would give the liquid's density?

• 12 divided by 4

• 4 divided by 12

• 12 times 4

A measure of how much space matter occupies

• weight

• mass

• volume

A sample of 2 grams of iron will have a greater density than a sample of 1 gram of iron.

• True

• False

Two items of the same size will always have the same density.

• True

• False

A marble with a mass of 6 grams is dropped into a graduated cylinder with 30 mL of water. The water level rises to 32mL. What is the marble's density?

• 3 grams per centimeter cubed

• 2 grams per centimeter cubed

• 5 grams per centimeter cubed