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ES CH1
Vocabulary
Term | Definition |
---|---|
Astronomy | Study of objects beyond Earth's atmosphere. |
Meteorology | the study of the atmosphere, which is the air surrounding Earth. |
Geology | study of materials that make up Earth and the process that form and change these materials, and the history of the planet and its life-forms since its origin. |
Oceanography | study of Earth's oceans including the creatures that inhabit its waters, its physical and chemical properties, and the effects of human |
Environmental science | study of the interactions of humans with environment |
Geosphere | the part of Earth from its surface to its center |
Atmosphere | blanket of gases surrounding Earth that con |
Hydrosphere | all the water in Earth's oceans, lakes, seas, rivers, and glaciers plus all the water in the atmosphere. |
Biosphere | all of Earth's organisms and 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. |
Independent Variable | factor that is manipulated by the experimenter in an experiment. |
Dependent Variable | factor in an experiment that can change if the independent variable variable is changed. |
Control | standard for comparison in an experiment. |
Le Systeme International d' Untied States (SI) | replacement for the metric system; based on a decimal system using the number10 as the base unit;includes the meter (m), second (s), and kilogram (kg). |
Scientific notation | a method used by scientists to express a number as a value between 1 and 10 multiplied by a power of 10. |
Scientific model | an idea, a system, or a mathematical expression that represents the idea being explained. |
Scientific theory | an explanation based on many observation during repeated experiments; valid only if consistent with observations, can be used to make testable predictions, and is the simple explanation; can be changed or modified with the discovery of new data. |
Scientific law | a principle that describes the behavior of a natural phenomenon. |