Investigation Planning and Execution

Develop and justify hypotheses and predictions using scientific theories and tentative explanations.
Select appropriate apparatus, materials, and techniques for investigations.
Justify equipment choices based on the precision, accuracy, and validity of the expected data.
Understand the importance of scientific quantities and explain how they are determined.
Identify relevant variables and explain how to control them effectively during an experiment.
Determine and justify an appropriate sample size and range of measurement values.
Plan logical and sequenced experimental procedures to make observations, produce substances, test hypotheses, and collect data.
Identify hazards associated with data collection and propose risk minimization strategies.
Communicate investigation rationales and methods using accurate scientific vocabulary, diagrams, graphs, numerical forms, and symbols.

What you need to know