Understanding Metric Conversions and Prefixes

The video tutorial introduces scientific notation and metric prefixes, focusing on their use in representing large and small numbers. It covers six key metric prefixes: Mega, kilo, deci, centi, Milli, and micro, and explains how to use conversion factors for metric conversions. The tutorial emphasizes the importance of dimensional analysis and provides practice problems to reinforce learning. It concludes with a quiz to test understanding of scientific notation and metric conversions.

Why do scientists prefer using metric prefixes?

• To confuse students

• To avoid using scientific notation

• To simplify the representation of very large and small measurements

• To make numbers look more complex

Which metric prefix represents one million units?

• Mega

• Centi

• Kilo

• Milli

How many centiliters are there in one liter?

• 1

• 1000

• 100

• 10

What is the metric prefix for one thousandth of a unit?

• Deci

• Centi

• Micro

• Milli

If you have 1000 meters, how many kilometers do you have?

• 100

• 0.1

• 1

• 10

What is the first step in any conversion problem using dimensional analysis?

• Divide by the largest number

• Guess the answer

• Multiply by a random number

• Set up the problem in the question mark format

Which of the following is a correct conversion factor?

• 1000 centimeters equals 1 meter

• 100 meters equals 1 centimeter

• 1000 meters equals 1 millimeter

• 1000 millimeters equals 1 meter

How many microseconds are in one second?

• 10

• 1,000,000

• 1000

• 100

What should you do if you don't know a direct conversion factor between two units?

• Make up a conversion factor

• Use the largest unit available

• Use multiple conversion factors

• Skip the problem

How many yards are in 91.44 kilometers?

• 100

• 100,000

• 1,000

• 10,000