How Humans Change Communities

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.