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chapter 1 vocab

TermDefinition
science the study of the natural world through observations and logical reasons
observing the process of using one or more of your senses to gather information
inferring the process of making an inference, an interpretation based on observations and prior knowledge
predicting The process of forecasting the what will happen in the future based on past experience or evidence
chemistry the study of the properties of matter and how it changes
physics the study of matter,energy motion, and forces and how they interact
scientific inquiry the process of discovery in science
hypothesis a possible explanation for a set observations or answers to a science question
parameter a factor that can be measured in an experiment
manipulated variable the one variable parameter that changes during an experiment
responding variable the variable parameter that changes to the manipulated,or independent variable in an experiment
controlled experiment an experiment in which only one parameter is manipulated at a time
data facts,figures,and other evidence gathered through observations
communicating the process of sharing ideas with others through writing and speaking
model a representation of an object or process
scientific thoery a well tested explanation for a wide rage of observations or experimental results
scientific law a statement that describes what will happen every time under a particular set of conditions
SI International system of units
Weight the force of gravity on an object
mass the amount of matter an object contains
volume amount of space an object takes up, 3-D
meniscus curved water in a graduated cylinder
Estimation an approximation of a number based on reasonable assumptions
accuracy how close the measurement is to the actual value
reproducibility refers to how close a group of measurements are
significant figures measurement include all digits that have been measured exactly
percision measurement with an exactness of the measurement
graph a picture of your data
horizontal axis runs left and right or
vertical axis the point where the two axes cross
coordinate pair of numbers used to determine position of data piont
data point the point showing the location of the intersection
line of best fit the smooth line that reflects the general pattern of the graph
linear graph a line graph which data points yield a strait line
slope steepness of the graph line
non-linear graphs where the data points do NOT follow in a straight line
Created by: blundy616956