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9U1C3

Scientific Experiments

QuestionAnswer
procedure a step
control a trial where all variables are held constant and is used as a standard of comparison for you experiment
constants all the variables in an experiment that remain the same
independent variable a variable that you change in a experiment on purpose
tables data be presented in rows and columns
Infer the use of evidence to draw conclusions about things you may not have directly observed
engineering the branch of science that studies the design, building, and use of machines and structures to solve real
Design specifications the requirements that an engineer must fulfill in his or her design
constraints restrictions or limitations (can be physical, social, or financial) in a design
prototype a preliminary model that can be easily adjusted
Variable A factor that can change in an experiment
dependent variable a variable whose value depends on that of another, the results of your experiment
line graph A graph that uses line segments to show the relationship between two variables
scatter plot A graph with points plotted to show a possible relationship between two sets of data.
ordered pairs pairs of numbers that can be used to locate a point
line of best fit a line drawn on a scatter plot to fit most of the dots and shows the relationship between the two sets of data
bar graph A graph that uses horizontal or vertical bars to display data
circle graph A graph of data where the entire circle represents the whole or 100%
Background Research finding out what is known before experimenting
Design Statement A statement that briefly describes the design goals and needs of stakeholders.
Histogram A graph that uses vertical bars to display data but groups numbers into ranges
Engineering Design Process the steps that engineers use to design something to solve a problem
Created by: Ms. Greenup
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