Experimental error.
the answer is: Error
error
redo or retest the experiment
Scientists often re-do experiments to exclude the chance of an ERROR.
They need to keep a record of each step, then start the experiment over and try not to make the mistake again or make changes in what they did to see what outcome they get.
Whatever experiment scientists do, when they make a mistake they obviously need to do the whole experiment again!
redo
the answer is: Error
error
Error
It is simply the scientific method in action. Make a mistake, correct it and go on or start again.
redo or retest the experiment
A mistake a scientist makes is called an error. You're probably doing a crossword puzzle. The answer you are looking for should be Error. If the question is Scientists make a mistake, or ______, and need to do an experiment again.? Then you have the answer.
redo
It's called an error.
Scientists often re-do experiments to exclude the chance of an ERROR.
Another word for mistake is error.