Conclusion, Evaluations and Units Flashcards
(16 cards)
True or False: You can only draw a conclusion from what your data shows - you can’t go any further than that
True
What is the first step to a conclusion?
By drawing a conclusion by stating relationship between dependent and independent variables
What is the second step to a conclusion?
Justify conclusion using specific data
What is the third and final step to a conclusion?
Refer to original hypothesis and state whether data supports it
Evaluation-
(Definition)
A critical analysis of the whole investigation
Name two things to consider with your method
- Validity of method
- Control of variables
Name three things to consider with your results
- Reliability, accuracy, precision and reproducibility of results
- Number of measurements taken
- Level of uncertainty in the results
Name one thing to consider with an anomalous result
- the cause of any anomalous result
_________ experiments with _______ to improve the _______ of results will give you ____ __________ in your conclusions.
Repeating experiments with changes to improve the quality of results will give you more confidence in your conclusions
SI base units-
(definition)
a set of standard units that all scientists use
What is the SI base unit for mass?
Kilogram (Kg)
What is the SI base unit for length?
metre (m)
what is the SI base unit for time?
seconds (s)
What is the SI base unit for amount of a substance?
mole (mol)
What is the SI base unit for temperature?
Kelvin (K)
Scaling Prefix-
(definition)
a word or symbol that goes before a unit to indicate a multiplying factor (such as millimetre)
