What is science?

Process of observing, studying, and thinking about things in order to gain

knowledge.

What is Earth Science?

Study of the Earth and the universe.

4 Main Branches of Earth Science

Geology Oceanography Meteorology Astronomy

Geology

Study of the origin, history, and structure of the solid earth and the processes that shape it.

Oceanography

Study of the ocean.

Meteorology

Study of the atmosphere.

Astronomy

Study of the universe.

Parts of the Earth

Geosphere – Solid Earth Hydrosphere – Water of the Earth Atmosphere – Gases surrounding the Earth Biosphere – All life on Earth and the physical

environment that supports it.

Examples of Early Earth Science China – 780 B.C.

Written records of earthquakes.

Early Chinese seismograph.

Examples of Early Earth Science Mayas, Central America

Used the movements of the

sun, moon, and stars to create calendars.

Mayan Calendar from Altar V, Tikal

Examples of Early Earth Science

Ancient Greeks – 3rd century B.C. Created catalogues of rocks and mineral types.

Why is the study of Earth Science Important?

Understanding of forces which shape the earth and thus life on earth.

Better ability to forecast potential natural disasters. Understanding of the origin and past of both the

earth and the surrounding universe. Utilization of resources to help improve the quality

of life.