2.2 Science Skills

The basic SI unit for length is the millimeter.

• True

• False

A graduated cylinder is used to measure the volume of liquids.

• True

• False

An example of a model is a road map.

• True

• False

The cubic meter is the basic SI unit for

• length.

• width.

• mass.

• volume.

A balance is used to measure

• temperature.

• volume.

• length.

• mass.

Which measurement is the most precise?

• 65 mL

• 66 mL

• 65.5 mL

• 66.55 mL

The correct number of digits in an answer is called the number of

• precise digits.

• derived digits.

• international units.

• significant figures.

Circle graphs are especially useful for showing

• percents of a whole.

• changes over time.

• how different types of things compare.

• ranges of data.

average value of a set of measurement

• accuracy

• mean

• range

• precision

representation of an object, system, or process

• model

• scientific notation

• Kelvin

• mean