How We Change Our Environment
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Objective
I can describe how humans change their environment by building different structures.
Part 1 of 4
Warm-up video
SciShow · 4:32Vetted channel
We don't generate video — this one is by SciShow on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 4
Key concepts
3 concepts
- 1
The Geologic Time Scale is divided into eons, eras, periods, epochs, and ages, based on major environmental changes.
- 2
Burning fossil fuels releases CO₂ and decreases certain carbon isotopes, which will be detectable in fossilized remains.
- 3
Humans have transformed over 50% of the Earth’s land area through deforestation, farming, mining, dams, and modifying coastlines, affecting sediment layers.
Part 3 of 4
Practice
10 questions
What is the name of the current geological epoch we are living in, according to the video?
According to the video, what is the main criterion for defining a geological epoch?
Part 4 of 4
Exit ticket
Quick comprehension check
“Name three ways humans change the Earth's surface, as discussed in the video. Briefly describe each.”
Sample answer included in the free materials
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Teacher guide, student handout, and slides — free, in Google Docs format
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