Chapter 1 Review

The unit of length that most nearly matches the width of your finger is the:

• nanometer.

• millimeter.

• centimeter.

• meter.

Which of the following is NOT a unit of measurement in the metric system?

• Meter

• Second

• Centimeter

• Foot

Why are SI units used so often in science?

• Factors of 10 are easier work with mathematically.

• SI units are bigger than English System units.

• Factors of 3, 12, and 5,280 are easier to remember.

• SI units are more accurate than English System units.

Which of the following are in the correct order from smallest to largest?

• Millimeter, meter, centimeter, kilometer

• Millimeter, centimeter, meter, kilometer

• Centimeter, millimeter, meter, kilometer

• Meter, millimeter, centimeter, kilometer

Why is it important to include units when making measurements?

• Units provide information about the type of measurement.

• Without units, it is impossible to tell the quantity being measured.

• Units help describe the size of the quantity being measured.

• All of the above

What two parts does a measurement have?

• Time and distance

• Value and unit

• SI and English

• Mass and length

The conversion factor for changing one unit of length to another in the metric system is a multiple of:

• 3.

• 10.

• 12.

• 5,280.

What is the value of a conversion factor ratio?

• 1

• 3

• 10

• 12

Which is an example of a quantity of time?

• a. Friday at 2:00

• b. One year

• c. 4:05 p.m.

• d. December 10, 2011 at 9:00 a.m.

Convert 972 meters to centimeters.

• 9.72

• 97.2

• 9,720

• 97,200