Experiment Planning Flashcards
(10 cards)
What is the independent variable in an experiment?
The factor that is changed by the experimenter.
What is the dependent variable?
The factor that is measured in response to changes.
Why are control variables important?
They keep conditions constant, ensuring a fair test.
What should a good hypothesis include?
A clear prediction of the relationship between variables.
How does using a control group improve an experiment?
It provides a baseline for comparison.
What is an experimental method?
A step-by-step procedure detailing how the experiment is conducted.
Why is a risk assessment important in planning experiments?
To identify hazards and ensure safety precautions are in place.
What is the difference between qualitative and quantitative data?
Qualitative = descriptive observations; Quantitative = numerical measurements.
Why is repeating an experiment important?
To check for consistency and improve reliability.
What should you do if an experiment produces unexpected results?
Identify potential errors, adjust the method, and repeat the test.