Measuring Matter

The amount of matter in an object is the object’s *

• A. weight

• B. mass

• C. volume

The unit used to measure volume of a solid is *

• A. gram

• B. mL

• C. cm³

One cubic centimeter is equal to one

• A. gram

• B. mL

• C. kilometer

Which sentence is true about density?

• A. Density is equal to the mass of an object.

• B. Objects with a lesser density than water will sink.

• C. Density is a physical property of matter.

The measure of the pull of gravity on an object is the object’s *

• A. weight

• B. mass

• C. volume

The unit used to measure volume of a liquid is

• A. mL

• B. cm³

• C. gram

Anything that has mass and takes up space is considered

• A. matter

• B. mass

• C. density

What is the formula used to find the volume of a solid rectangular object?

• A. Volume = density x mass

• B. Volume = length x width x height

• C. Volume = mass x density x height

An object has a mass of 25 g and a volume of 10 cm³. What is the object’s density?

• A. 250 g/cm³

• B. 0.4 g/cm³

• C. 2.5 g/cm³

The density of an unknown substance is 3.5 g/cm³. Will it sink or float in water? NOTE: Water = 1 g/mL

• sink

• float