Introduction to Earth Science
Mrs. Wagner Granite Hills High Scool Porterville, CA
Terms in this set (23)
To act on, or in close relation with each other.
The study of objects beyond Earth's atmosphere
The study of the materials that make up the Earth
and the processes that form and change these materials.
The scientific study of the origin, history, and structure of the earth.
The branch of Earth science that studies the air that surrounds our planet.
The study of Earth's oceans (which cover nearly three-fourths of the planet).
The rigid outer shell of the planet and includes the crust and
the solid uppermost part of the mantle.
Part of the mantle. It is the partially molten, plastic-like,
flowing layer located below the solid part of Earth's mantle.
The solid, plastic layer of the mantle beneath the lithosphere; made of mantle rock that flows very slowly, which allows tectonic plates to move on top of it.
All the water in Earth's oceans, lakes, seas, rivers and glaciers plus all the water in the atmosphere.
The waters comprising the earth's surface, including oceans, seas, rivers, lakes, and vapor in the atmosphere
The blanket of gases surrounding Earth.
Composed of 78% nitrogen, 21% oxygen and 1% other gases such as argon and carbon dioxide.
Includes all organisms on Earth as well as the environments
In which they live.
All the parts of the planet that are inhabited by living things; sum of all Earth's ecosystems.
What are earth's spheres?
Lithosphere, hydrosphere, biosphere, atmosphere
The three main parts of earth based on differences in composition
Core, mantle, crust
How is Earth's core divided?
The core can be divided into two sections; the solid inner core and the liquid outer core.
What material is the mantle primarily made of?
Composed of a rock called peridotite.
What types of crust are found on Earth?
Continental crust and Oceanic crust.
What is the continental crust?
The layer of rocks which form the continents.
What is the continental crust made of?
Made mostly of granite
What is the oceanic crust?
The layer of rocks which form the ocean floor.
What is the oceanic crust made of?
Made mostly of basalt
What is the hydrosphere?
Consists of the water in Earth's oceans, seas, lakes, rivers, and glaciers, as well as the water in the atmosphere.
What percent of the hydrosphere is salt water? Fresh water?
Why is Earth's atmosphere important?
Earth's atmosphere is necessary for respiration by most living things, protects Earth's inhabitants from harmful radiation from the Sun, and helps to keep the planet at a temperature suitable for life.
Study the forces and processes that cause the atmosphere to change to produce weather.
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