Is spagetti a common noun

How to conserve electricity? Is the word search light a compound? What is an ig index used for today? What is the difference between radiometric dating and relative dating? Why most quartz is useful? A certain pendulum has a potential energy of 20 J when it is at the top of its swing. What is the kinetic energy? What does temperature indicate? If father is A1 ve and mother O ve what are the possible blood groups does their child will have? How did frank Henry fleer think of bubble gum? What can she conclude from her results? Can salt disolve in water? Is a magnetic chalkboard a physical characteristic or a chemical one? Is it sufficient to do a single experiment to test a hypothesis? Can you buy a research paper? Is an insulator is a substance through which energy travels easily? How many liters does 500 mililiters equal? Why do scientists do research before they start an experiment? What would the density of a cube of aluminum be? What is the second steps in the scientific method? Is fasting for 10 hours sufficient for blood work?