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# CH1.2 science vocab

### scince vocab

TermDefinition
Scientific inquiry Refers to the different ways scientists study the natural world
Hypothesis A possible answer to a scientific question or explanation
Parameter A factor that can be measured in an experiment
Manipulated Variable The variable parameter that is expected to change because of the manipulated variable
Responding Variable Manipulated variable is responding variable
Controlled experiment Investigation in which only one parameter is manipulated at a time
Scientific theory A well-tested explanation for a wide range of observation or experimental results
Scientific law A statement that describes what scientist expect to happen every time under a particular set of conditions
Farameter Factor that can be measured in a experiment
Data Facts,figures, and other evidence
Communicating Sharing ideas and conclusions with others through writing and speaking
Models A picture diagram, computer image or other representation of an object or process physical models like representation of solar system may look like the real thing
Theories Well tested explanation
Law Rule of nature
Science Study of the natural world
Observing Using one or more senses to gather information
Inferring Making an inference
Predicting Making a forecast of what will happen in the future based on the past
SI A system called the International System of units
Weight A measure of the force of gravity on you
Mass A measure of the amount of matter an object contains
Volume The amount of space an object takes up
Meniscus To determine the volume of the water
Estimate An approximation of a number based on reasonable assumption
Accuracy Refers to how close a measurement is to the true or actual value
Reproducibility Refers to how close a group of measurements are to each other
Significant Figures A measurement include all of the digits that have been measured exactly plus one digit whose value has been estimated
Precision A measure of the exactness of a measurement
Graph Think of the graph as a picture of the data
Horizontal Axis The graph line that runs left to right
Vertical Axis The graph that runs up and down
Origin The point where the two axes cross
Coordinate A pair of numbers used to determine the position of a point on a graph
Data point The point sowing the location of that intersection
Line of best fit A smooth line that reflects the general pattern of a graph
Linear graph A line graph in which the data points yield a straight line
Slope The steepness of the graph line
Nonlinear graph A line graph in which the data points do not fall along a straight line
Chemistry The study of the properties of matter and how matter changes
Physic The study of matter,energy,motion, and forces how they interact
Created by: EGuzman616935