A direct variable is the variable that gets changed. A indirect variable is the variable that the scientist changes.
A inference is when you take your observation and connect it to your past knowledge and you also measurements.
Obervation is when you observe something or someone only using your 5 sences
The last step to the scientific method is conclusion. With this step you see if your hypotheses was correct or incorrect.
The fourth step is to gather your data. In this step you got down what you gathered from your experiment.
The third step is experiment. This step has you test your hypothesis.
The second step to the scientific method is hypothesis. In this step you explain what you think will happen in the experiment.
The first step of the scientific method is question/problem. When you have a question/problem it has to be a testable or what if problem.