What happening when scientists use their five senses to learn new information?

How much is a rock with iron in it worth? How will wind source help reduce pollution slow climate change or reduce our dependency on fossil fuels? What is used to increase or decrease voltage that enters a house? Are the saturated products formed from the addition reactions of unsaturated hydrocarbons more stable or less stable than the initial reactants? What are 3 basic types of rock? What are organisms that have plasma membranes? Why we use the eatwell plate? Is it true that newton figured out that the force that made an apple fall from a tree was the same as the one keeping the moon in orbit around earth? What is the name of the system formed by the interaction of living organisms with the nonliving physical environment? What can you infer about the magma chamber of a dormant volcano? Why are mass energy equivalence for chemical reactions? What type of plant that has bacteria living with it that can convert to nitrogen? Whats lethal phase and how is it calculated? What indicates how well a material will conduct electricity? How is volcano cherry quartz made? A country is likely to have a high carrying capacity if? What does a living cell always develop from? Which kind of analysis focuses on the order in which derived characters appear in organisms? Are tires man made or natural resource? Which phrase of meiosis occurs right after crossing over takes place?

What happening when scientists use their five senses to learn new information?