Scientists studying the West Antarctic Ice Sheet. To date, only one has been solved. Earth science, too, has put forth a long stream of unsolved questions. In fact, solving one question typically floods the field with new lines of investigation.
What Is Earth Science?
The image above is the first full-hemisphere view of Earth captured in the 21st Century. Image by the GOES project. Introduction Earth Science is the study of the Earth and its neighbors in space.
It is an exciting science with many interesting and practical applications. Some Earth scientists use their knowledge of the Earth to locate and develop energy and mineral resources.
Others study the impact of human activity on Earth's environment, and design methods to protect the planet. Some use their knowledge about Earth processes such as volcanoes, earthquakes, and hurricanes to plan communities that will not expose people to these dangerous events.
The Four Earth Sciences Many different sciences are used to learn about the Earth; however, the four basic areas of Earth science study are: A brief explanation of these sciences is provided below.
Earth Scientists Study the Subsurface Mapping the inside of a volcano: Vibrations from the explosions travel into the Earth and reflect off of structures below.
Her instruments record the vibrations. She uses the data to prepare maps of the volcano's interior. Learn more about what Dr. Snelson and others are doing to learn about Mount Erebus.
Science of the Earth Geology is the primary Earth science. The word means "study of the Earth. It is also concerned with the organisms of the planet and how the planet has changed over time.
Geologists search for fuels and minerals, study natural hazards, and work to protect Earth's environment. Earth Scientists Map the Surface Mapping lava flows: This map will show the areas covered by past lava eruptions and can be used to estimate the potential impact of future eruptions.
Scientists in Alaska often carry firearms foreground and pepper spray as protection against grizzly bears.
The backpack contains food and survival gear, and a two-way radio to call his helicopter pilot. Charlie's orange overalls help the pilot find him on pick-up day.
Science of the Atmosphere Meteorology is the study of the atmosphere and how processes in the atmosphere determine Earth's weather and climate. Meteorology is a very practical science because everyone is concerned about the weather. How climate changes over time in response to the actions of people is a topic of urgent worldwide concern.
The study of meteorology is of critical importance in protecting Earth's environment.
Earth Science involves the study of systems such as the hydrologic cycle. This type of system can only be understood by using a knowledge of geology groundwatermeteorology weather and climateoceanography ocean systems and astronomy energy input from the sun.
The hydrologic cycle is always in balance - inputs and withdrawals must be equal.
Earth scientists would determine the impact of any human input or withdraw from the system. Science of the Oceans Oceanography is the study of Earth's oceans - their composition, movement, organisms and processes. The oceans cover most of our planet and are important resources for food and other commodities.
They are increasingly being used as an energy source. The oceans also have a major influence on the weather, and changes in the oceans can drive or moderate climate change.Definitions.
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Classroom Activities. Here you can find suggested Earth science related activities. Most are categorized based on the Next Generation Science Standards, and the earlier National Science Education Standards. Activities are also marked with an appropriate grade level.
These Earth science activities are fun and educational. Dear Twitpic Community - thank you for all the wonderful photos you have taken over the years. We have now placed Twitpic in an archived state. Oct 31, · It is designed as a motivational "trailer" to be shown in classrooms by Earth Science and Physical Science teachers in middle, high school and college .