Measurements and Units

The diagram shows part of a ruler. The ruler is used to find the length of a nail.

What is the length of the nail?

• 2.2 cm

• 2.7 cm

• 3.2 cm

• 3.7 cm

Four athletes run twice around a track. The table shows their times at the end of each lap. Which athlete runs the second lap the fastest?

• A

• B

• C

• D

The SI unit for measuring mass is the
 __?__.

• meter (m)
• liter (L)
• cubic meter (m³)
• kilogram (kg)

SI stands for ___.

• Sports Illustrated

• Scientific Notation

• International System (of measurements)

• Instructional System (of measurements)

Which of the following pairs of physical quantity and SI unit is correct ?

• Mass - SI unit : Gram
• Time - SI unit : Hour
• Electric current - SI unit : Volt
• Temperature - SI unit : Kelvin

The SI base unit is

• second
• minute
• millisecond
• hour

What is the derived unit for volume?

• square meter

• cubic meter

• kilograms per cubic meter

• grams per mole

_________ inches = 1 foot

• 2

• 6

• 12

• 8

________ feet = 1 yard

• 2

• 3

• 4

• 9

________ pints = 1 quart

• 2

• 4

• 6

• 8