Dimensional Analysis

Convert 15.34 cm to nm.

• 4351 nm
• 1.534 nm
• 1.534 x 10 ^8 nm
• 15.34 x 10^5 nm

What prefix represents 10^3?

• milli
• deca
• centi
• kilo

Why is the metric system considered to be a "convenient" system of measure?

• The prefixes are in multiples of 10.
• Everybody around the world knows and understands metric measure.
• All units are spelled in Latin.
• The measure for temperature is the same as the measure for amperes.

When using dimensional analysis, the conversion  fact has to equal _____.

• 100
• 0.01%
• multiples of 10
• 1

The conversion  fact when finding how many inches are in 23.45 cm is ___.

• 254 cm = 100 inches
• 100 cm = 2.54 inches
• 2.54 cm = 1 inch
• 2.54 cm = 2.54 inches

A combination of base units is ____ unit. An example of this unit is density (g/cm^3).

• derived
• standard
• base
• prefix

In order to convert pounds to kilograms, the ____ ____ needed is one kilogram equals 2.2 pounds. 

• base unit
• derived unit
• conversion fact
• mass equation

Tags

CCSS.4.MD.A.1

Density is a derived unit because ---.

• volume is divided by mass.
• length times width times height.
• mass is multiplied by volume.
• mass is divided by volume.

A metal is bonded by ---.

• nuclear forces.
• protons.
• sea of electrons.
• weak, loose "glue."

The equipment used to measure mass is ___.

• cylinder
• balance
• ruler
• beaker