Earth’s Subsystems

serve as the blanket of Earth.

Its name rooted from the Greek word "____" gas and "_____" - globe or ball.

Atmosphere is the mixture of gases (5) that surround the planet earth.

______ and _______ account for 99 percent of the gases in air. Argon, carbon dioxide, helium, neon and other gases make up the remaining 1%. TOPIC: EARTH AND ITS SUB

layers of the atmosphere

It is the layer where weather occurs, and it is where we live and breathe. Hot air balloons and airplanes fly within here because it provides the necessary conditions for safe and efficient air travel.

is also home to the ozone layer, which shields the Earth from harmful UV radiation. Radiosondes can collect data and travel up to the lower part of the stratosphere.

characterized by thin air and low atmospheric pressure. It is also the layer where meteors burn up upon entry into the Earth's atmosphere, creating the visual phenomenon known as shooting stars.

primarily composed of individual gas molecules, such as oxygen and nitrogen, rather than molecular combinations. where the auroras, such as the Northern Lights and Southern Lights, occur.

is where satellites and other human- made objects in Earth's orbit are found. Satellites are strategically placed in orbit within the exosphere to perform their various functions.

is the totality of Earth’s water, including the permanently frozen called the “_________”

Approximately __ percent of Earth's surface is covered in water. Of all of that water, only about three percent is ______. An even smaller amount can be used as drinking water.

examples of hydrosphere

refers to the solid Earth.

It is the earth itself: the rocks, minerals, and landforms of the surface and interior

These layers provide plants with the nutrients needed to grow and contain the different rocks from the rock cycle

thus essential because it provides all living organisms with natural resources and places to live, grow, and survive.

Layers of Geosphere

examples of geosphere

contains the entirety of the Earth’s living things (plants and animals)

biosphere is refered to the zone of ____

crucial for sustaining life, regulating the Earth's climate, cycling nutrients, and providing essential ecosystem services. Its health and integrity are vital for the continued survival and well-being of all species, including humans.

examples of biosphere

The processes that move matter and energy from one sphere to another is called