What does characteristics mean in science?

What term describes a uniform mixture in which the molecules of two substances are completely mixed? Does poplar float on water? What Constants definition science? Does an echo have the same pitch as an original sound? What happens when a investigation is complete? What conclusion can be drawn only from an experimental study? What are the three main elements that make up living things? What did Thomas Edison's first generating plant produce? What pieces of equipment would be most helpful to the scientist during the experiment a spring scale a microscope a beaker a Bunsen burner? What is an stenol? How much energy is available to first level consumers? How has guglielmo marconi influenced the industrial revolutoion? What is the meaning of the science safety symbol harmful? What happens to hot and cold objects when they brought together? How can a fan rotate in 360 degrees? What are some examples of scale? Why is electricity a secondary energy source? Which organization was led by the ten principles? What purpose would you use the SEE method? Do you write 5kg or 5 kg?