Lesson 2: Subsystem of the Earth

Question 1

set of interconnected components that are interacting to form a unified whole

Answer 1

system

Question 2

there is only an exchange of heat and energy and no exchange of matter

Answer 2

closed system

Question 3

earth’s subsystem

Answer 3

biosphere, hydrosphere, atmosphere, geosphere

Question 4

all life forms on earth all living things and the areas where they are found

Answer 4

biosphere

Question 5

all the water in any form; ice, water vapor, water

Answer 5

hydrosphere

Question 6

70% of the earth is covered with liquid water

Answer 6

3% of water is fresh

Question 7

earth’s blanket also serves as the earth’s protection from harmful UV rays

Answer 7

atmosphere

Question 8

traps heat from the sun
keep the earth’s warm

Answer 8

greenhouse gases

Question 9

solid part of earth
it contains soil, rocks, and minerals

Answer 9

geosphere

Question 10

processes that move matter and energy from one sphere to another

Answer 10

sphere interaction

Question 11

where the four subsystems are closely linked through involves biological, geochemical, and chemical factors

Answer 11

biogeochemical cycles