# At the beginning of an experiment a scientist proposes an educated guess about will happen. What is this guess called?

Jun 7, 2018

$\text{An hypothesis...}$
$\text{ an hypothesis is a proposition made as a basis}$ $\text{for reasoning, without any assumption of its truth...}$
The hypothesis is then tested in an experiment..to determine its validity and scope. A scientific hypothesis is $\text{falsifiable}$...See here and here.