
How Humans Change Communities
7th Grade · Social Studies · 45 min
Lesson Preview
Learning Objective
I can describe how humans change their environment through different types of community structures.
- 1
Scientists are considering naming a new epoch called the Anthropocene because of the permanent impact humans have had on Earth's geological record since the mid-20th century.
- 2
Human activities like nuclear weapon detonations, burning fossil fuels, and the creation of new materials like plastics have left chemical traces detectable in Earth's rock layers.
- 3
Humans have physically altered over 50% of Earth's land area through deforestation, farming, and mining, and are causing a mass extinction event that will be recorded in the fossil record.


