Why Step-by-step directions for conducting an experiment?

Why do you able see virtual and irect image when the lens which is in your eye is convex and it forms real and inverted image? What does ure pul se measure? Explain the different way in which the processes of a suppy chain can be? What is a synonym for terrific? What general hypothesis did scientists make about running shoes? It is nearly impossible to blank solids and liquids? What travels thousands of kilometer in steady patterns? When there are two or more charges the electric fields of each individual charge what by repelling or attracting? What instrument can be used to measure the diameter of a strand of hair? 1 pint equals how many centimeters? Why is it important that a scientist's results are evaluated by other scientist? Why are transition metals good conductors of electricity? What is the wind speed right now? What is 3.14159 better known as? What is a destructive cycle? How warm is 36.9C in Fahrenheit? What is meant by grasping at thin air? What elements sugar compound contain? What feature does a question need to have in order to be a good scientific question? What is another word for control group in an experiment?