Era
This knowledge is used in careers such as:
Teacher (Teaches Students) ~$55,000 - $95,000 - Number of jobs: 4,700,000 (324,500 Openings Per Year) +2% Growth
Civil Engineer (Designs Infrastructure) ~$65,000 - $110,000 - Number of jobs: 370,000 (23,600 Openings Per Year) +5% Growth
Mechanical Engineer (Designs Machines) ~$65,000 - $115,000 - Number of jobs: 290,000 (18,100 Openings Per Year) +9% Growth
Explore These Careers →
Example:
Imagine trying to organize a massive photo album that spans multiple generations of family events. Just as you would divide the album into smaller sections for each family member's life stages or significant events, geologists divide this era, the second-longest unit of geologic time, into smaller periods to make it easier to understand Earth's history. Just like each section of the album captures a specific phase or milestone in your family's story, each period within this era encapsulates distinct geological and biological changes on Earth, helping scientists piece together the planet's vast timeline.
Practice Version
Era: The second-longest unit of geologic time, it is divided into periods. Era. An era is a span of time in Earth's history marked by significant events and changes in the planet's climate and life forms.