20 Questions
What are the four spheres of the Earth?
The four spheres of the Earth are the atmosphere, biosphere, geosphere, and hydrosphere.
What does the term 'atmosphere' mean?
The term 'atmosphere' refers to all the air on Earth.
Which sphere is considered biotic?
The biosphere is considered biotic.
What does the term 'geosphere' mean?
The term 'geosphere' refers to all the solid land in Earth's crust.
What does the term 'hydrosphere' mean?
The term 'hydrosphere' refers to all the water on Earth.
What is the outermost layer of Earth composed of any physical matter?
The outermost layer of Earth composed of any physical matter is the atmosphere.
What are the five layers of Earth's atmosphere, in order from the surface of Earth outward?
Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere
What is the ozone layer in the atmosphere responsible for?
Blocking ultraviolet radiation and protecting living organisms on Earth
What is the biosphere?
The biosphere includes every organism on Earth; plants, animals, and microorganisms
What are the characteristics of the geosphere?
It includes the innermost layer of the planet, all the solid rock on Earth, and the liquid molten rock beneath Earth's crust
What are the four layers of the geosphere, in order from the innermost to the outermost?
Inner core, Outer core, Mantle, Crust
What does the hydrosphere contain?
Every single molecule of water found on Earth
What is the process by which water from the hydrosphere falls through the atmosphere?
Rainfall
What part of Earth's surface does the rainfall eventually land on?
Geosphere
How does the hydrosphere connect to the biosphere?
Through bodies of water that animals use for drinking
What part of Earth's system do humans belong to?
Biosphere
What happens to Earth's geosphere when humans cut down trees for industrialization?
It gets damaged
How do humans affect other plants and animals from the biosphere when they cut down trees?
They harm them
What is the term for the accumulation of rainfall in bodies of water?
Water bodies
What is the term for the process of humans damaging Earth's geosphere?
Environmental degradation
Test your knowledge on Earth's four spheres - atmosphere, biosphere, geosphere, and hydrosphere. Discover how these interconnected spheres shape our planet and support life.
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