sciencee
Terms
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- astronomy
- the study of the universe beyond earth including the sun, moon, planets and stars
- accuracy
- is the closeness of a measurement to the actual value of what is being measured
- hypothesis
- is a proposed answer to a question
- controlled experiment
- is an experiment in which only one variable, the manipulated variable, is deliberately changed at a time
- mass
- the quantity of matter in an object or sample is the kilogram
- conversion factor
- is a ratio of equivalent measurements that is used to convert a quantity expressed in one unit to another unit
- technology
- is the use of knowledge to solve practical problems
- chemistry
- is the study of the composition, structure, properties and reactions of matter
- direct proportion
- a relationship between two variables in which their ratio is constant
- scientific law
- is a statement that summerizes a pattern found in nature
- biology
- the study of living things or life science
- physics
- is the study of matter and energy and the interactions between the two through forces and motion
- scientific notation
- is a way of expressing a value as the product of a number between 1 and 10 and a power of 10
- inverse proportion
- a relationship in which the product of two variables is constant when all other variables are held constant
- responding variable
- the amont of water that you accummulate or the variable that changes in response to the manipulated variable
- length
- straight line distance between twp points is the meter
- manipulated variable
- the speed with which you walk or run
- scientific method
- an organized plan for gathering, organizing, and community information
- model
- a street map or representation of an object or event
- slope
- the steepness of a line equal to the ratio of a vertical change to the corresponding horizontal change
- volume
- is the amount of space taken up by an object
- scientific theory
- is well tested explanation for a set of observations or experimental results
- significant figures
- are all the digits that are known in a measurement plus the last digit that is estimated
- precision
- is a gauge of how exact a measurement is
- thermometer
- is an instrument that measures tempertature or how hot an object is
- geology
- the study of the origin, history and structure of earth
- science
- is a system of knowledge and the methods used to find that knowledge
- observation
- is information that you obtain through your senses
- density
- is the ratio od an object's mass to it's volume