A hypothesis is a proposed explanation for a phenomenon. A scientific hypothesis must be based on observations and make a testable and reproducible prediction about reality, in a process beginning wit
The hypothesis of Andreas Cellarius, showing the planetary motions in eccentric and epicyclical orbits
An experiment is a procedure carried out to support or refute a hypothesis, or determine the efficacy or likelihood of something previously untried. Experiments provide insight into cause-and-effect b
Even very young children perform rudimentary experiments to learn about the world and how things work.