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Scientific Method

TermDefinition
Experiments Different scientific questions require different approaches.
Observation information gathered using one of our senses.
Qualitative Observation Descriptions that do not use numbers. Can be color, names, what is happening, texture, shape, sound.
Quantitative Observation Descriptions that do use numbers. Numbers of items, measurements.
Inference Making a judgment about an observation based on previous knowledge or experience.
Prediction A guess about the future based on evidence or experience.
Testable Question Question that can be answered with an experiment. Written using the format - How does IV affect DV?
Hypothesis Explanation of observations or answer to a testable question. Written using the format - If IV, then DV.
Procedure Set of steps written precisely so someone else can do the experiment the same way. Instructions or directions.
Constants Things in an experiment that must remain unchanged.
Multiple Trials Doing each part of the experiment more than once.
Materials Everything you use during an experiment. Ingredient and equipment list.
Variables Things that can change in an experiment or different categories in an experiment.
Independent Variable Variable you picked two or more kinds of to test a hypothesis. What you already know is different.
Dependent Variable What changes because of the independent variable. What you’re measuring and recording.
Scientific Method Steps Share Your Results. ...
Step 1 Make an Observation (Theory Construction) ...
Step 2 Ask a Question. ...
Step 3 Form a Hypothesis (Make Predictions) ...
Step 4 Run an Experiment (Gather Data) ...
Step 5 Analyze the Data and Draw Conclusions. ...
Step 6 Share Your Results. ...
Step 7 Repeat the Scientific Method (Iteration)
Scientific Method A method of procedure used in science.
Created by: studycards921
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