New
New
Year 9

Evidence of the Anthropocene

I can describe and evaluate key evidence that shows how humans have altered Earth's systems.

New
New
Year 9

Evidence of the Anthropocene

I can describe and evaluate key evidence that shows how humans have altered Earth's systems.

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Lesson details

Key learning points

  1. Atmospheric CO₂ levels have risen steeply since the industrial revolution.
  2. Ice core data shows a sharp increase in greenhouse gases linked to human activity.
  3. Biodiversity loss is happening faster than natural extinction rates.
  4. Plastics and radioactive elements form geological markers of human impact.
  5. Land cover change is visible from satellites and historical maps.

Keywords

  • CO₂ concentration - the amount of carbon dioxide in the atmosphere at a given time, measured in parts per million (ppm)

  • Ice core - long cylinders of ice drilled from glaciers or ice sheets

  • Biodiversity - the variety of living things in an ecosystem or area

  • Geological marker - something found in layers of Earth (like rock, ice, or mud) that shows a big change in the planet's history

  • Land cover - the physical material at the surface of Earth

Common misconception

Microplastics are only found in the ocean.

Microplastics are found in the ocean, soil, rock and animals.


To help you plan your year 9 geography lesson on: Evidence of the Anthropocene, download all teaching resources for free and adapt to suit your pupils' needs...

Get students to look out the window and ask what evidence they can see of human impact on the environment.
Teacher tip

Equipment

Licence

This content is © Oak National Academy Limited (2025), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

Lesson video

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Prior knowledge starter quiz

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6 Questions

Q1.
What is the Anthropocene?

A new species of human
Correct answer: A proposed time period when humans started shaping Earth's systems
A part of Earth's core
A type of ecosystem

Q2.
Which part of Earth is made up of gases like oxygen and carbon dioxide?

Geosphere
Hydrosphere
Biosphere
Correct answer: Atmosphere

Q3.
What is included in the hydrosphere?

Correct answer: Glaciers, rivers, oceans, and water vapour
Rocks and mountains
Plants and animals
Earth's magnetic field

Q4.
The geosphere includes which of the following?

Fish and coral reefs
Rainforests and savannahs
Clouds and storms
Correct answer: Earth’s crust, mantle and core

Q5.
What does the biosphere refer to?

The sun and stars
Air and wind
Lava and magma
Correct answer: All life on Earth

Q6.
Which of these is one of the main ways humans have changed the atmosphere?

Correct answer: Releasing greenhouse gases
Removing all oxygen
Creating more earthquakes
Making rivers longer

Assessment exit quiz

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4 Questions

Q1.
Match the keywords and their definitions.

Correct Answer:CO2 concentration,The amount of carbon dioxide in the atmosphere, measured in ppm

The amount of carbon dioxide in the atmosphere, measured in ppm

Correct Answer:Ice core,A long sample drilled from glaciers that records past climates

A long sample drilled from glaciers that records past climates

Correct Answer:Biodiversity,The variety of living things in an ecosystem or area

The variety of living things in an ecosystem or area

Correct Answer:Geological marker,A physical record in the Earth showing a major change in history

A physical record in the Earth showing a major change in history

Correct Answer:Land cover,A physical material like forest or desert covering Earth's surface

A physical material like forest or desert covering Earth's surface

Q2.
What has happened to atmospheric CO₂ levels since the industrial revolution?

They have stayed about the same
They have slightly decreased
Correct answer: They have risen sharply
They have disappeared altogether

Q3.
Which of the following is evidence of biodiversity loss during the Anthropocene?

Volcanoes erupting
More natural extinctions than ever
More species being created
Correct answer: Extinction rates higher than usual

Q4.
What do scientists use to describe changes in Earth’s layers caused by humans?

Volcanoes
Earthquakes
Correct answer: Geological markers
Tides