Exploring the Four Spheres of Earth

Earth is a complex system composed of four interconnected spheres: the geosphere, hydrosphere, biosphere, and atmosphere. Each sphere, named from Greek words, represents different components of Earth. The geosphere includes all solid ground, the hydrosphere encompasses all water, the biosphere contains all living organisms, and the atmosphere is the air surrounding Earth. These spheres interact to drive Earth's processes, supporting life and maintaining environmental balance.

What are the four spheres that drive Earth's processes?

• Hydrosphere, Lithosphere, Biosphere, Cryosphere

• Geosphere, Lithosphere, Biosphere, Atmosphere

• Lithosphere, Hydrosphere, Atmosphere, Cryosphere

• Geosphere, Hydrosphere, Biosphere, Atmosphere

Tags

NGSS.MS-ESS2-4

Which Greek word is the geosphere derived from?

• Hydro

• Geo

• Bio

• Atmo

What does the geosphere include?

• All the rocks, minerals, and ground on Earth

• All the air surrounding Earth

• All the water on Earth

• All the living organisms on Earth

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

NGSS.MS-ESS3-1

What percentage of Earth's water is salty and found in the oceans?

• 99%

• 97%

• 75%

• 50%

Which sphere includes rivers, lakes, and glaciers?

• Biosphere

• Hydrosphere

• Geosphere

• Atmosphere

Tags

NGSS.MS-ESS2-4

What is the biosphere composed of?

• All the rocks and minerals on Earth

• All the air surrounding Earth

• All the water on Earth

• All the living organisms on Earth

Tags

NGSS.MS-LS2-3

Which of the following is NOT a component of the biosphere?

• Mountains

• Animals

• Plants

• Bacteria

What is the primary composition of the atmosphere?

• Methane and Nitrogen

• Hydrogen and Helium

• Nitrogen and Oxygen

• Oxygen and Carbon Dioxide

What role does the atmosphere play in protecting Earth?

• It protects from harmful UV radiation

• It forms the solid ground of the geosphere

• It supports life in the biosphere

• It provides water for the hydrosphere

Which sphere is described as acting like a giant blanket for Earth?

• Geosphere

• Hydrosphere

• Atmosphere

• Biosphere