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ES ch1
vocab
Term | Definition |
---|---|
astronomy | The study of objects beyond Earth's atmosphere. |
meteorology | forces and processes that cause the atmosphere to change the produce weather. |
geology | identify rocks. |
environmental science | The study of the 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 | 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 | experiment is the factor that is changed by the experimenter. |
dependent variable | a factor is the affected by the changes in the independent variable. |
control | is used in an experiment to show that the results of an experiment are a result of the condition being tested. |
Le Systeme International d'unites | which is a modern version of the metric system that uses the number 10 as the base unit. |
scientific notation | in which a number is expressed as a value between 1 and 10 multiplied by a power of 10. |
scientific model | is an idea picture,a system, or a mathematical expression that represents the concept being eplained. |
scientific theory | is an explanation based on many observations during repeated investigations. |
scientific law | is a principle that describes the bejavior of a natural phenomenon. |