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chapter1

TermDefinition
science study of structure and behavior of physical and natural world through observation and experiment
observing notice or perceive something and register it as being significant
inferring deduce or conclude information from evidence and reasoning rather than from explicit statement
predicting estimate that a specific thing will happen in the future will be a consequence of something
chemistry the branch of science that deals with the identification of the substance in which matter is composed
physics the branch of science concerned with the natural and properties of matter and energy
scientific inquiry ideas as well as understanding
hypothesis supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation
parameter measureable factor forming one of a set that defines a system or sets the conditions of its operation
manipulated variable something that the experimenter purposely changes or varies over the course of the investigation
responding variable is the one that is observed and likely changes in response to the independent variable
controlled experiment quantities that scientist wants to remain constant
data facts and statistics collected together for reference or analysis
communicating share or exchange information,news,ideas
model the art or activity of making three-dimensional models
scientific theory well-substantiated explanation of some aspect of the natural world that is acquired
scientific laws statement based on repeated experimental observations that describes some aspects of the universe
si international system inits
mass the amount of matter object has
vertical axis graph line that runs up and down
horizontal axis the graph line that runs left to right
coordinate pair of numbers used to determine the positive of a point of a graph
data point points showing the location of that intersection
linear graph a line graph in which the data points yield a straight line
slope slope of a graph line tells you how much y changes for every chance in x
nonlinear graph not denoting involving,or arrange in a straight line
line graphs diagram of lines made by connected data points which represents successive changes in the value of a variable quantity or quantities
linear trends based on the least squares regression
meniscis curved upper surface of a liquid in a tube
estimate roughly calculate or judge the value,number,quantity,or extend of
accuracy the quality or state of being correct or precise
significant sufficiently great or important to be worthy of attention noteworthy
figures a number especially with one that form part of official statistics or relates financial performance of a company
precision quality,condition or fact of being exact also accurate
origan a point or place where something begins arises,or is derived
line of best fit line on a graph which shows a direction of a group
graph diagram showing the relation between variable qualities typical of 2 variables each measured along one of a pair of axes at right angles
weight a body relative mass or the quantity of matter contained by it giving rise to a downward force the heaviness of a person or thing
motion distance from other object changes
reference poin a place or object used for comparison to determine if something is in motion
distance is the length a path between two points
displacement the length and direction that an object has moved from its starting point
victor quantity that consists of both magnitude and a direction
motion distance from other objects changes
reference point is a place or object used for comparison to determine if something is in motion
distance is the length of a path between two points
displacement is the length and direction that an object has moved from its starting point
vector a guantity that consists of both magnitude and a direction
speed of an object is the distance the object travels per unit of time
average speed to calculate
instantaneous speed is the rate at which an object is moving at a given instant in time
velocity is speed in a given direction
geocentric is when earth is at the center of the revolving plants and stars
heliocentric is a model of the solar system
ellipse is an oval shape maybe elongated or nearly circular
moon is a natural satellite that revolves around a planet
astronomical unit is a equal meter
nuclear fusion is the process in which hydrogon atoms joins together
core the central region of the sun
radiation is a region of very tightly packed gas where energy is transferred
convection is the outer most layer of the suns interior
photosphere the inner layer of the suns atmosphere
chromosphere the middle layer of the suns atmosphere
corona the outer layer of the suns atmosphere
solar wind a stream of electrically changed particles that emitates from the sun
sunsports are areas of gas on the suns surface
prominences a huge reddish loop of gas
solar flares an eruption of gas from the suns surface
terrestrial planets the name often given to the four inner planets
Created by: mpendleton