a control and a variable
environmental
yes, he discovered electrons.
the parts that you control
The parts of an experiment that stay the same.
hypothesis,procedure,data
i think that independent variable
The research Question Hypothesis The procedure Materials The results Experiment The conclusion
Correlation
The two parts of a hypothesis is the observation and the test. An observation has to be made on what the experiment is going to be on, then a test has to be thought up to test the question.
observation, hypothsis, experimentation. and conclustion
correlation
You have to have either done two experiments or read two experiments or read one experiment and do the other in order to compare and contrast an experiment.