Final answer:
A hypothesis is a testable prediction about how the world will behave if our idea is correct. It allows scientists to bridge the gap between ideas and the real world.
Step-by-step explanation:
A hypothesis is a tentative explanation for an observation.
It is a testable prediction about how the world will behave if our idea is correct, and it is often worded as an if-then statement.
A hypothesis is important because it allows scientists to bridge the gap between ideas and the real world, and it can be easily changed based on further investigation and experimentation.