Scientific method Flashcards
What are the 7 steps to the scientific method
question, do background research, hypothesis, experiment, procedure working?, Analyze data and draw a conclusion
What does writing a good hypothesis involve
Educated guess based on research, have “if I do this, then this will happen” statement, predict an outcome and explain why we did this
What is the independent variable
The thing we change the experiment
What is the dependent variable
The thing we measured in the experiment
What is a variable
Factors that change
What is a constant variable
The thing that stays the same
What is the control group
The group that doesn’t receive any treatment and is used as a benchmark
What is the point of a graph
Graph show cause-and-effect (X, independent, affects why, dependent).
Graphs show direct relationships, indirect relationships and constant relationships
What is a direct Relationship
As X increases, Y increases. Positive slope
What is the indirect relationship
As X increases, Y decreases. Negative slope
What is a constant relationship
As X increases, Y stays constant. Flat slope
What are the components of a graph (5 things)
Title, independent variable (x-axis, cause), dependent variable (y-axis, effect), intervals, data points
