Important things for writing out practical methods Flashcards
What are all the things we need to remember when writing out a practical method?
Make it clear what’s being investigated and include equations
Equipment list
Label everything on a diagram
Mention any adaptations to make more accurate results
Clear about when to stat and stop timing exactly
Reducing uncertainties
Range of values used and increments
Steps for calculations
Confirming results
Explain results
Evaluation
2 rules for writing out results tables
Don’t quote values to 0.1 of the closest second - human reaction time is slower than that
Use the same number of significant figures throughout
What should be included in an evaluation?
Discuss % closeness
Discuss improvements
What’s a good % closeness to actual values?
5%
What’s an okay % closeness to actual values?
About 10%
Equation for % difference between 2 vales
Calculated - actual
————————— x100
Actual