What is a crucial feature of the scientific method regarding hypotheses?
A scientific hypothesis must be testable. This means that is must be possible, at least potentially, to prove that the hypothesis is false if it really is false. 17. What is a testable hypothesis? A testable hypothesis is one which at least potentially can be proven false. 18. Can hypotheses scientifically be proved to be true? No hypothesis can be scientifically proved to be true. Instead hypotheses are accepted for as long as they are supported by the available evidence. 19. What is an experiment? An experiment is an artificially created situation to test a hypothesis. 20. What is a variable? Give an example. Factors that might affect observations are variables. For example, water temperature, amount of food, quality of food, etc. are all variables that affect mussel growth. 21. What is a controlled experiment? A controlled experiment is one in which only one variable is tested. Other variables that might affect the experiment are controlled or equal. 22. What is a scientific theory?
