Why is there a need to include the significance of the study?

Why didn't you extract chlorophyll from the leaf and then see if It could carry out photosynthesis? What color does anthocyanin turn leaves? When boating on coastal waters it is important to be aware of the tide if high tide is at noon when can you expect the next low tide? What are the animals that use bio magnetism? Why oils and fats miscible in organic solvent? Which cell has a nucleus a eukaryote or prokaryote? Where is 37s latitude and 236 w longitude? What increasing pressure would most likely increase the reaction rate between what two substances? How did his family supports temba? What happens to the mantle rock as you go deeper into the mantle? How was iron named iron? What does element's atomic number represent? What are the muscle fibers of a plasma membrane called? How many millimeters are in a centileter? How many amps is 2kw? What are the significance of carbonate in meteorites from mars? What law says that when the elements are arranged in order of a crazing atomic mass there is a periodic pattern and their physical and chemical properties? I am highly interested in going to some sort of astro-work because I am obsessed with the planets and stars. But are there subfields of Astronomy and what are they? What percentage of earths water is stored in ice or snow? What is the difference of sleet and slush?