Unit 8 - Reference

The phrase "on the go" is believed to have originated in the early 19th century, and it is a reference to the idea of being in constant motion or activity. It used to describe a situation where someone is very busy and active, often moving from one place or task to another.

Rush hour is the period of the day when there is a high volume of people traveling to or from work, school, or other activities. This typically happens in the early morning and late afternoon or evening, when traffic on the roads, buses, and trains is at its busiest. During rush hour, public transportation services and roadways can become crowded, leading to longer travel times. It is a common challenge in cities where many people rely on public transport or cars for their daily commutes.

A speed limit is the maximum or minimum speed that a vehicle is legally allowed to travel on a specific road or highway. The limit is set to ensure safety and smooth traffic flow. It can vary depending on factors like road type, location, and conditions such as construction zones or residential areas. Drivers are expected to follow these limits, adjusting their speed as needed for traffic, weather, or road conditions.

A kilogram is a unit of mass in the metric system, abbreviated as "kg". One kilogram is equal to 1000 grams and is approximately equal to the mass of one liter of water at its maximum density. Kilograms are commonly used to measure the mass of larger objects, such as people, animals, and packages, as well as in scientific research, engineering, and commerce. The kilogram provides a standardized and internationally recognized unit of measurement for mass, facilitating consistency and accuracy in various fields and applications.