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Chapter 1 josephande
Chapter 1 Earth Science vocabulary
Term | Definition |
---|---|
astronomy | the study of objects beyond Earth's atmosphere |
meteorology | the study of the forces and processes that cause the atmosphere to change and produce weather |
oceanography | the study of Earth's oceans, which cover nearly three-fourths of the planet |
environmental science | the study of interactions of organisms and their surroundings |
geosphere | the area from the surface of Earth down to its center |
atmosphere | the blanket of gases that surrounds our planet |
hydrosphere | all the water on Earth, including the water in the atmosphere. |
biosphere | includes all organisms on Earth as well as the environments in which they live. |
scientific methods | a series of problem-solving procedures that help scientists conduct experiments |
hypothesis | a testable explanation of a situation that can be supported or disproved by careful procedures |
independent variable | the factor that is changed by the experimenter |
dependent variable | the factor affected by changes in the independent variable |
control | used to show that the results of the experiment are a result of the condition being tested |
Le Systeme International d'United (SI) | a modern version of the metric system |
scientific notation | when a number is expressed as a value between 1 and 10 multiplied by a power of 10 |
scientific model | an idea picture a system, or a mathematical expression that reps the concept being explained. |
scientific theory | an explanation based on many observations during repeated investigations. |
scientific law | a principle that describes the behavior of a natural phenomenon. |
geology | study of materials that make up earth, the processes that form and change these materials, and the history of the planet and its life forms since its origin |