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Chapter 1 vocab

astronomy study of objects beyond earths atmosphere
meteorology The study of the atmosphere, which is the air surrounding Earth
geology the materials that make up Earth
oceanography The study of Earth's oceans which cover nearly three-fourths of the planet
environmental science The study of the interaction 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
independent variable factor that is manipulated by the experimenter in an experiment
dependent varibale factor in an experiment that can change if the independent variable is changed
control standard for comparison
Le Systeme international d'Unites Si replacement for the metric system; based on a decimal system using the number 10 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 observations during repeated experiments; valid only if consistent with observations, can be used to make testable predictions, and is the simplest explanation; can be changed or modified with the discovery of new data
scientific law a principle that describes the behavior of a natural phenomenon.
Created by: Rusty8