Scientists perform controlled experiments in order to reduce as many third variables as possible. This means they are trying to prevent variables not directly related to the study from influencing the results.
The word that defines an investigation that is controlled is "regulated."
manipulated variable
True. In an experiment, a scientist formulates a hypothesis, designs the experiment, collects data, and then analyzes the results to draw conclusions. The outcome of the experiment is not known beforehand, and it is the results of the experiment that will either support or refute the hypothesis.
the things you change
Experiment
controlled experiment
TRUE!!!
Not all hypotheses can be proven, no matter how well controlled.
TRUE!!!
experiment
true
A controlled experiment is better than a none controlled experiment because you can control one of them and the other you can't. Science is a really fun subject.
An investigation in science that is controlled is an experiment. The group within the experiment that is controlled is the control group.
False
False
False
a controlled group is like an idea but an experiment that is controlled cannot be changed.