Chemistry, 2nd Edition Season 1 Episode 5 The SI (Metric) System of Measurement
- TV-PG
- July 20, 2009
- 29 min
In this episode of Chemistry, 2nd Edition, titled "The SI (Metric) System of Measurement," viewers are introduced to the International System of Units (SI), which is used to measure physical quantities such as length, mass, and time. The host, Dr. Rebecca Johnson, explains the history behind the development of the metric system, which began in France during the 18th century. Dr. Johnson also shows examples of how the metric system is used in everyday life, such as measuring ingredients in cooking and calculating the speed of a car.
Throughout the episode, Dr. Johnson breaks down the components of the SI system, including its base units and prefixes used to indicate orders of magnitude. Viewers are educated on how to convert between different metric units, as well as how to use scientific notation to express very large or very small numbers. Dr. Johnson also emphasizes the importance of using the correct units in calculations, as it can greatly affect the accuracy of the results.
To illustrate the concepts covered in the episode, Dr. Johnson carries out several experiments. For example, she shows how to measure the mass of a small object using a balance, and how to convert between grams and kilograms. She also demonstrates how to measure the length of an object using a ruler, and how to convert between millimeters, centimeters, and meters.
Overall, "The SI (Metric) System of Measurement" episode of Chemistry, 2nd Edition is an informative and engaging introduction to the International System of Units. It provides viewers with a solid foundation in the metric system and prepares them for more advanced chemistry topics that rely heavily on measurement and conversion skills.