L1 - L4 Flashcards
Earth is the only planet in the solar system that supports_____.
Life
Earth has a large amount of liquid water about __% of the surface of the Earth is covered by liquid or frozen water. Because of this, Earth is sometimes called “________.”
70%
blue planet
It is the gaseous layer above the Earth’s surface
Atmosphere
Atmosphere is primarily composed of __% nitrogen and __% oxygen. Other gases like argon, carbon dioxide, carbon monoxide, ozone, and other inert gases made the remaining __%
78%
21%
1%
Protect us in harmful rays of the zone
Ozone Layer
The zone of Earth where all forms of life exist: in the sea, on land, and in water.
Biosphere
Biosphere is sometimes called_____.
Large Ecosystem
is a very thin layer of the earth’s surface.
Biosphere
consisting of the entire planet from the center of the core to the outer crust. It includes the core, mantle, and crust of the Earth.
Geosphere
The water part of the Earth which circulates among oceans, continents, glaciers, and atmosphere.
Hydrosphere
Oceans cover __% of the Earth and contain __% of its water.
71%
97.5%
make up the rocks beneath your feet, the soil that supports plants, and the deep rock of Earth’s mantle.
Minerals
It must be product of Earth’s physical processes. Something that is never living. Or originated in from a living organism.
Inorganic
A mineral must be chemically and physically uniform down to the atomic level. This homogeneity means that the mineral will have absolutely predictable physical properties including hardness, density, and streak.
Homogenous Product
Represented by a chemical formula.
Definite Chemical Composition
