| Answer | Crossword Clue |
|---|---|
| IFSO | Start of a hypothesis |
| WHATIF | Hypothesis start |
| GAIA | ... hypothesis (theory of the earth as a self-regulating organism) |
| GAIA | ... hypothesis (model of the earth as a self-regulating organism) |
| THEORIZE | Form a hypothesis |
| SUPPOSE | Verb for a hypothesis |
| THEORY | More than a hypothesis |
| TTEST | Method for checking a statistical hypothesis |
| EXPERIMENTATION | Method used to test a hypothesis |
| TTEST | Statistical tool for checking a hypothesis |
| RIEMANN | Mathematician with a hypothesis unproven since 1859 |
| EVE | ... Theory (hypothesis that modern humans came from a single area) |
