Scientific Investigation Flashcards
What is a variable?
A variable is a factor that can alter or effect the outcome of an experiment
What is fair testing?
Fair testing is where the experimenter or participants have not influenced the results and haven’t caused them to be unreliable
What is an independent variable?
A variable that is purposely changed in an experiment (graphed on the x-axis)
What is a dependant variable?
A variable that changes in response to changes in the independent variable (graphed on the y-axis)
What is subjective data?
Data that is based on opinion
What is objective data?
Data that is based on measurement
What are the four main steps in a scientific investigation?
Planning
Doing
Processing
Evaluating
Explain planning in PDPE
“Method of attack” get materials
Explain doing in PDPE
Conduct experiment
Explain processing in PDPE
Looking for patterns/trends
Explain evaluating in PDPE
Look for improvements or inaccuracies