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Terms
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- oceanography
- study of earths oceans including the creatures that inhabit its waters, its physical and chemical properties, nd the affects of human activities
- area
- requires a combo of si units. the amount of surface included within a set of boundaries and s expressed in square units of length
- dependent variable
- factor in an expermint that can change if the independent variable is changed
- temperature
- measurement of how quickly or how slowly molecules move around, which can be measured in degrees in farinheight or degrees celcius ofkelvins
- system of international units
- a modern version of the metric system
- time
- the inteval between two events and is usually measured by a watch or clock
- independent variable
- factor that is manipulated by the experimenter in an experiment
- weight
- ameasure of the gravitational force on an object
- length
- the standard si unit to measure length is a meter
- atmosphere
- blanket of gases surrounding earth that contains about 78 percent nitrogen, 21 percent oxygen, and 1 percent other gases.
- geology
- study of materials that make up earth and the processes that form and change these minerals
- law
- basic fact that describes the behavior of a natural phenomonon
- scientific notation
- a type of short hand used by scientists in which a number is expressed as a multiplier and a power of ten
- meteorology
- branch of earth science that studies the air that surrounds our planet
- hydrosphere
- all the water in eatrhs oceans, lakes, seas, rivers, and glaciersplus all water in the atmosphere
- asthenosphere
- part molten, plasticlike, flowing laer located below the solid part of earths mantle
- theory
- an explanation based on many observations during repeated experiments that is valid only if it is consistent with observations, makes predictions thatcan be tested, and is the simplest explanation of observations
- biosphere
- ll of the earhs organisms and the environments in which they live
- astronomy
- study of objects beyond earths atmosphere
- volume
- the amount of space occupied by an object
- control
- standard for comparison in the experiment
- hypothesis
- suggested explanation for an observation often stated in the form of a question that can be answered by the results of an experiment
- density
- a mesure of the amount of matter that ossupie a given space
- lithosphere
- earths rigid outer shell, including the crust and the solid, uppermostpart of the mantle
- mass
- the amount of matter in an objsect and depends on the number and kinds of atoms that make up the object