A good scientific experiment will hold all the _____________ constant across all groups that are not being manipulated or measured to increase the reliability of the results.
A___________ is a progression of the scientific method that is used to explain with almost 100% certainty how some natural phenomenon will behave under specific conditions.
In the experiment with the plants being fertilized, the results showed that increasing amounts of fertilizer yielded more produce and the hypothesis is supported. The support of your hypothesis is what part of the scientific method?
You walk out to your car, try to start it and it won't start. You design a way to test your reason why the car won't start. Which part of the scientific method are you doing when you carry out your design?
Why is a placebo used when experimenting on humans?
To use as a control for independent variables in an experiment.
The_________ is the part of the scientific method where a person makes an educated guess about some natural phenomenon observed.