Integrating the derivative
C=2∏r
Sterilizing the test tube
Experiment with a scientific control
Dosing out the placebo
Force = Mass x Acceleration
Normalizing the units
Graphing the cosine
Converting from Cartesian to Polar coordinates
Measuring plate tectonics
Posing a hypothesis
Concluding with the empirical method
Proving a theorem
Using your slide-rule
Calculating a logarithm