Module 1: Earth and Earth System

You are now standing on the earth’s crust. Which sphere does earth’s crust belong?

• a. Biosphere

• b. Hydrosphere

• c. Atmosphere

• d. Geosphere

There are two systems, which govern the earth, the open and close system. What do you mean by closed system?

• a. Materials flow freely within, in and out of the system.

• b. Materials flow freely within but cannot exit and enter the system.

• c. Materials and energy flow freely within, in and out of the system.

• d. Materials and energy flow freely within but cannot exit and enter the system

Which of the following does not show the interaction between the biosphere and the earths other spheres?

• a. Decaying organic matter enriching the soil quality.

• b. The interaction of land and ocean giving life to different organisms.

• c. Evaporation, condensation, and precipitation of the hydrologic cycle

• d. Volcanic vents providing habitats to organisms with high heat capacity.

Which of the following is NOT an example of an interaction between the hydrosphere and geosphere?

• a. Water drank by people

• b. Erosion of soil after the typhoon

• c. Landslide after heavy rains

• d. Underground water stored in the soil.

Which of the following is not a part of the Biosphere?

• a. plants and animals

• b. dead organic matter produced by different organisms

• c. different bacteria and microorganisms.

• d. none of the above.

Which of the following shows the correct pairing of subsystem and its components?

• a. Hydrosphere – comprises of human beings whose actions affect all other subsystems.

• b. Atmosphere – includes the rocks of the crust and mantle, the metallic liquid outer core,

  and the solid metallic inner core.

• c. Geosphere – includes the oceanic water, surface and groundwater, glaciers and

  icebergs, water vapor in the air.

• d. Biosphere – covers all ecosystems, from the soil to the rainforest, from mangroves to

  coral reefs, and from plant-rich ocean’s surface to the deep sea.

Ecosystems are comprised of living things. In which sphere you can find this?

• a. Atmosphere

• b. Lithosphere

• c. Biosphere

• d. Hydrosphere

All of the following correctly describe the Earth’s principal subsystems EXCEPT:

• a. The Earth is composed of subsystems interacting with one another.

• b. These subsystems are close systems that are interwoven and interdependent.

• c. The subsystems are the atmosphere, geosphere, biosphere, and lithosphere.

• d. The principal subsystems allow entrance and exit of both matter and energy.

Earth system science studies the roles and relationships of the 4 subsystems. Which of them is considered as the integral subsystem?

• a. The atmosphere because climatic changes and weather are important.

• b. The biosphere since living organisms is the heart of all interactions.

• c. The geosphere because the movement of crust changes history and era

• d. The hydrosphere since it provides water, a key molecule for phenomena to occur

  and for life to prosper.

Which of the following is NOT one of the four major geological subsystems of Earth?

• a. hydrosphere

• b. water sphere

• c. geosphere

• d. atmosphere