What is the dopaganger?

What is a catchy title for a science fair project about pressure? Whats the sharpest thing in the world? What happens when you heat eggshell? If the gases released by a burning candle could be contained and measured would you see that their mass is the same as the candle's was before it was lit and what law does this example describe? What is the step by step by step procedure in science fair project? The main source of energy in the human diet is? What is a air ioniser and what do you use it for? What are the main uses of soft wood? What is 36.7 degrees in celsius in Fahrenheit? What helps people remember things? What is an example of a milligram? How many elements are in SiO? What are some brightly colored poisonous animals? Which best explains the concept of pattern? What is the instrument use by the scientist? What is the difference between ordinary microscope and electron microscope? Why do you waft? What are the chemical properties of a unlit candle? What type of machine is a hand brake on a bike? If you weigh 150 pounds how much do you weigh in kg?