Energy Conservation

–          As the human population keeps increasing (it’s over 6 billion people right now), we keep requiring more and more energy. –          Using too much energy places stress on our energy production systems and may cause blackouts when we need the energy the most. HOW DO WE USE ELECTRICITY? –          In order to conserve (save)…

Physical and Chemical Properties

–          All pieces of matter have properties or characteristics.  All matter can be talked about with descriptive terms.  For example, describe the Johnson uniform: –          Scientists have grouped properties into two categories: physical properties and chemical properties. –          The properties you just described when talking about the Johnson uniform are what scientists call “physical properties.” …