Core GuidePublished
Steps of the Scientific Method
Follow the scientific method from observation and research question through experimentation, analysis, and conclusion.
Read guideScientific investigation
Scientific Method Guides
Build stronger investigations by learning how to ask testable questions, identify variables, design fair experiments, collect evidence, and draw supported conclusions.
8Total guides
8Available
4Learning areas
Learning roadmap
Scientific method resource library
Resources are organized around the complete scientific investigation process, from the first observation to evidence-based conclusions.
Scientific method resources
Core Guide
Scientific method resources
Writing Skill
Writing SkillPublished
How to Write a Scientific Question
Turn an observation into a focused, measurable, and testable scientific research question.
Read guideWriting SkillPublished
How to Write a Hypothesis
Develop a testable prediction that connects the independent and dependent variables using scientific reasoning.
Read guideScientific method resources
Experiment Design
Experiment DesignPublished
Independent, Dependent, and Controlled Variables
Identify what is changed, measured, and kept constant in a controlled scientific investigation.
Read guideExperiment DesignPublished
Control Group and Experimental Group
Understand how comparison groups strengthen experimental design and help isolate the effect of a treatment.
Read guideExperiment DesignPublished
How to Design a Scientific Experiment
Plan a fair, repeatable investigation using variables, controls, trials, measurements, and safety precautions.
Read guideScientific method resources
Data Analysis
Data AnalysisPublished
How to Collect and Record Scientific Data
Record accurate quantitative and qualitative evidence using organized tables, units, observations, and repeated trials.
Read guideData AnalysisPublished
How to Analyze Experimental Results
Evaluate trends, averages, variation, anomalies, uncertainty, and evidence before drawing a conclusion.
Read guideRelated learning
Continue with laboratory reporting
Report writing
Document a complete investigation
Learn how to organize methods, results, discussion, conclusions, tables, graphs, and references.
Explore Lab Report GuidesData calculations
Analyze experimental measurements
Use tested scientific calculators for percent error, percent difference, density, molarity, dilution, and specific heat.
Explore Science Calculators