Get the definition of matter in science and see examples of different forms of matter. Contrast matter with dark matter.| Science Notes and Projects
Get the volume definition in science. Learn about volume units, get examples, and see how volume differs from mass or capacity.| Science Notes and Projects
Learn about the number zero. Get the definition and interesting zero facts and learn about its history and role in math.| Science Notes and Projects
Get the pressure definition in science. See its units and get example of pressure and how to calculate it.| Science Notes and Projects