Crossword Puzzle Sample Crossword PuzzleOnline version Bla Bla Bla by Anthony Gragasin 1 Any belief purported to be scientific or supported by science that is not a product of scientific investigation. 2 are special rock-like structures. They usually form in shallow water. They are formed by bacteria such as cyanobacteria. There may also be other types of bacteria and single-celled algae. 3 A process for learning about the natural world that tests ideas using evidence gathered from nature. 4 is a natural science concerned with the study of life and living organisms 5 (consisting of DNA or RNA) are the basic unit of heredity 2 5 1 4 3