Layers of the Earth
Biosphere Basics
Earth Facts
IB Profile
Environmental Issues
100

What is the outermost layer of the Earth?

Crust
100

 What is the biosphere?

The global sum of all ecosystems; the zone of life on Earth.

100

What is the process by which rocks are broken down into smaller pieces?

Weathering

100

How can you demonstrate being a Communicator in a group project?

By sharing ideas clearly and listening to others.

100

What is the primary cause of climate change?

Greenhouse gas emissions from human activities.

200

What layer of the Earth is located beneath the crust?

Mantle

200

What are the main components of the biosphere?

All living organisms, including plants, animals, and humans.

200

Which layer of the Earth is primarily made up of liquid iron and nickel?

Outer Core

200

What does it mean to be an Inquirer in your studies?

To ask questions, seek information, and explore topics deeply.

200

What is deforestation, and why is it a concern?

The clearing of forests for agriculture or development; it reduces biodiversity and contributes to climate change.

300

 Which layer of the Earth is responsible for generating Earth's magnetic field?

Outer core

300

How do humans impact the biosphere?

Through pollution, deforestation, and urbanization.

300

How does the lithosphere influence ecosystems?

It provides minerals and nutrients for plants.

300

How can you show that you are Reflective about your learning experiences?

By thinking about what you learned, what worked well, and what could be improved.

300

What are some effects of pollution on the biosphere?

Harm to wildlife, degradation of habitats, and health problems in humans.

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