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Earth and space chapter 1

Terms in this set (24)

Astronomy(earth science)
The study of objects beyond Earths atmosphere
Experiment
Organized procedure that involves making measurements and observations
Control
Standards for comparsion that shows that the results of an experiment are actually due to the condition being tested
Dependent variable
Factor in an experiment that can change if other factors are changed
Geology(earth science)
The study of the materials that make up Earth and the process that form and change these materials
Hypothesis
Testable explanation for an observation
Constant
Factor that does not change during an experiment
Independent variable
Factor in an experiment that can be manipulated by the experimeter
Oceanography(earth science)
The study of Earth's oceans
Meterology(earth science)
The study of weather-producing forces in the atmosphere
Enviromental science(earth science)
The study of the interactions of Earth organisms and their surrounding
Biosphere(earth systems)
All organisms on Earth as well as the enivronments in which they live
Geosphere(earth systems)
Includes crust, mantle, and core
Hydrosphere(earth systems)
Water in Earths oceans, seas, lakes, rivers, glaciers, and atmosphere
Atmosphere(earth systems)
Gases surrounding Earth, including 78% nitrogen and 21% oxygen
What are the five major areas of specialization in Earth Science?
Astronomy, meterology, geology, oceangraphy, and environmetal science
Describe three ways the atmosphere helps support life on Earth?
Oxygen for living things, protects earths inhabitants from harmful radiation from the sun, and helps to keep the planet at a temperature suitable for life
What is technology?
The application of knowledge gained from scienific research to solve societys needs and problems
Name three products first developed for use in space that people now use in their everyday life?
Freeze-dried foods, ski googles, and ultralight materials
What subspecialty of earth science studies patterns of weather over a long period of time?
Climatology
Geochemistry is the study of what?
Earths composition and processes
What subspeciality of Earth science studies ancient environments?
Paleontology
Which of the following might an environmental scientist study?
How organisms interact with each other and their environments
In what field do scientist study the processes that change Earths composition ?
Geochemistry
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