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chapter 1.1-1.5

vocabulary words

science study of the natural world
observing using one or more senses to gather info
inferring explaining observations
predicting making a forecast of the future based on the past
chemistry study of properties of matter
physics study of matter of energy and how it interacts
scientific inquiry different ways scientists study the natural world
hypothesis possible answer to a scientific question
parameter factor that is measured in an experiment
manipulated variable variable that is purposely changed
responding variable variable changed by the manipulated variable
controlled experiment experiment with only one manipulated variable
data facts gathered in an experiment
communicating sharing ideas with others
model picture or diagram of a process
scientific theory well tested explanations for a wide range of experimental results
scientific law statement that describes what scientists expect every time
SI International System of Units (French acronym)
weight measure of force of gravity on you
mass amount of matter an object contains
volume amount of space an object takes up
meniscus curve on liquid in a graduated cylinder
estimate approximation of number based on reasonable assumptions
accuracy how close to true value
reproducibility how close group is to each other
significant figures all digits measured exactly and 1 estimated digit
precision measure of exactness
graph picture of data
horizontal axis x axis, run
vertical axis y axis, rise
origin where the two axes meet
coordinate pair of numbers that determine position the position on a graph
data point point showing location of an intersection
line of best fit smooth line that reflects pattern
linear graph line graph which data points yield a straight line
slope steepness of graph line
nonlinear graph data points don't fall on a straight line
Created by: qkennerly