Hypothesis
Definition 1 of 3
Pro Tip 1/3
Based on Facts
A hypothesis should have a foundation of real-world facts, even though it's not proven. Her hypothesis was based on the increasing pollution levels recorded last year.
Pro Tip 2/3
Not Yet Proven
Remember, a hypothesis is an idea that has not been proven true, but it's not just a guess. The doctor's hypothesis that sleep quality affects memory needed testing.
Pro Tip 3/3
Testing Required
The ultimate goal of a hypothesis is to be tested through research or experimentation. Scientists designed an experiment to test the hypothesis on plant growth.