Factor Label / Dimensional Analysis

Front

What is dimensional analysis?

Back

A mathematical technique used to convert units from one system to another using conversion factors.

Front

What is the first step when solving dimensional analysis problems?

Back

Identify your 'known'.

Front

What unit should be in the denominator of the conversion factor when converting to leagues?

Back

Leagues.

Front

If you are converting 4 pounds to ounces, which conversion factor would you use?

Back

1 lb = 16 oz.

Front

What is the third step when solving dimensional analysis problems?

Back

Put your 'known' over 1.

Front

What unit should be in the numerator of the conversion factor when converting to yards?

Back

Yards.

Front

What is a conversion factor?

Back

A ratio that expresses how many of one unit are equal to another unit.

Front

How do you cross out units in dimensional analysis?

Back

By ensuring that units in the numerator and denominator are the same, allowing them to cancel out.

Front

What is the purpose of dimensional analysis?

Back

To ensure that the units in a calculation are consistent and to convert between different units.

Front

What is the significance of identifying your 'unknown' in dimensional analysis?

Back

It helps to determine what you are trying to find and guides the selection of conversion factors.