観察 https://mstdn.nere9.help/@orange_in_space/109781292650092451
仮説 https://mstdn.nere9.help/@orange_in_space/109781299548274993
実験(相当) https://mstdn.nere9.help/@orange_in_space/109781311220397933
考察 https://mstdn.nere9.help/@orange_in_space/109781325012405144
検証 https://mstdn.nere9.help/@orange_in_space/109781343146061578