An experiment is a simulation of complete or part of a real scenario in a controlled environment. We come to know of various outcomes of an experiment based on the values/degree of the variables in different quantity/quality. Unless the variables are controlled, experiment can go out of hand and sometimes become a real disaster.
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To eliminate the possibility of hidden or unknown variables the scientist must a control experiment.
The number of dependent variables in an experiment varies, but there is often more than one. experiments also have controlled variables are quantities that a scientist wants to remain constant, and he must be observe them as carefully as the dependent variables.
Scientists repeat experiments for reliability. The experiment must be repeated for the scientist to develop a theory. One experiment does not prove your hypothesis correct; therefore, it must be done a several times.
A theory is useless if it cannot be tested and verified/disproven. That is the purpose of experiments.
The variables that must remain the same between the control group and experimental group is are called controlled variables, and include everything except the experimental variable.
To eliminate the possibility of hidden or unknown variables the scientist must a control experiment.
The number of dependent variables in an experiment varies, but there is often more than one. experiments also have controlled variables are quantities that a scientist wants to remain constant, and he must be observe them as carefully as the dependent variables.
The scientist must propose an idea and document it with experiments that prove it. The experiments must be repeatable by others and the same result must be obtained by them
If they are supposed to affect the results in the experiment ie. they are what is being tested, they are the test variables. If they must be kept the same to ensure a fair test ie. the scientist is not testing with them, they are called control variables.
Because it helps them know the results of the objects in the experiment and how they differ. This way the scientist knows which succeeded and which failed.
Scientists use technology to conduct experiments, eliminate unwanted variables to increase accuracy, and to measure their results. Without technology, most, if not all, of the experiments scientists engage in would be impossible without technology. Since the purpose of science is to increase technology, technology must be used in experiments in order to improve it.
Scientists repeat experiments for reliability. The experiment must be repeated for the scientist to develop a theory. One experiment does not prove your hypothesis correct; therefore, it must be done a several times.
A theory is useless if it cannot be tested and verified/disproven. That is the purpose of experiments.
If scientists are to be able to draw meaningful conclusions from their experiments, they must have accurate records. If you do not know exactly what happened, you will not be able to figure out exactly what it means.
Scientists keep careful records , so that they can compare things from the past, and see the change. They also do this for experiments.
Controlled variables are things that must be controlled and kept the same during the experiments in order to prevent them from having an impact on results.
Except for the independent variable, all other variables must remain the same between the experimental and control groups.