4 Spheres of Earth Quiz

Which sphere of the Earth includes all the rocks, soil, and layers?

• Geosphere

• Hydrosphere

• Biosphere

• Atmosphere

What does the hydrosphere consist of?

• All the air on Earth

• All the water on Earth

• All the rocks on Earth

• All the life on Earth

Which sphere is known as the zone of life on Earth?

• Hydrosphere

• Geosphere

• Biosphere

• Atmosphere

What percentage of the Earth's atmosphere is nitrogen?

• 0.9%

• 78%

• 50%

• 21%

Which sphere includes the inner core, outer core, crust, and mantle?

• Atmosphere

• Geosphere

• Hydrosphere

• Biosphere

What is the main component of the Earth's atmosphere?

• Oxygen

• Nitrogen

• Argon

• Carbon Dioxide

Which sphere includes rivers, lakes, and oceans?

• Geosphere

• Hydrosphere

• Biosphere

• Atmosphere

What does 'geo' mean in Greek?

• Life

• Ground

• Water

• Air

Which sphere includes the ocean floor and all the sand in deserts?

• Geosphere

• Atmosphere

• Biosphere

• Hydrosphere

What is the color of the Earth when viewed from space due to the hydrosphere?

• Brown

• Blue

• White

• Green