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Why must controls (such as plants given water only) be used in the fertilizer experiment?
to have something to compare with the growth of fertilized plants.
What are the safety precautions you must take when testing for starch?
You must make sure that you wash your hands after you finish doing the experiment.
Why do you need to incubate the yeast before you start?
Yeast must be activated before an experiment. In order for it to metabolize sugars, it must be incubated, which activates the yeast by adding heat.
What do you call something you experiment on?
Control and Experiment group is what you would normally have in an experiment
Why it is not possible to demonstrate respiration in a green plant kept in sunlight?
We can't demonstrate an experiment of green plants because if sunlight is present the co2 produced in respiration will be used in photosynthesis. So we must conduct an experiment of green plants in a dark room.
What will a scientists do if they make a mistake or a and need to do the experiment again?
redo or retest the experiment
Does a experiment test a theory?
i dont no but i need the anwser Yes an experiment will test a theory. You perform an experiment to test the hypothesis. If the experiment can be repeated then the hypothesis becomes a theory. People perform experiments to test and retest theories.
Why do scientist replicate other scientist experiment?
They might just want to retest ,but there are other reasons not everyone could be sure of that.
Why is it important to do an experiment more than one time?
We retest our experiments to insure accurate results and to compare with our original results.
What do scientists need to do if they make a mistake and need to retest the experiment?
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.
What is prefix for test?
Re is the prefix of retest
What is test-retest?
what is test-retest method
What is test-retest method?
what is test-retest method
Why an experiment must have control?
An experiment must have a control to show what would happen if no factors were changed.
How do you write an application to the principal regarding the science retest?
Kindly permit for retest to my son
Does quest labs automatically retest HIV tests even if they are negative?
they will retest if you request it
Why must a controlled experiment have one manipulated variable?
a controlled experiment must have only one manipulated variable becuase if the experiment had multiple manipulated variables then it would not be a controlled experiment anymore it would be a manipulated Deseret experiment
