Tutor and Freelance Writer. Science Teacher and Lover of Essays. Article last reviewed: 2020 | St. Rosemary Institution © 2010-2021 | Creative Commons 4.0

Physical and Chemical Properties

–          All pieces of matter have properties or characteristics.  All matters 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.” …

Other Objects in the Solar System

–          Since the universe is so incredibly large, astronomers (scientists who study space) are constantly discovering new objects in the universe. –          Even our solar system is incredibly large and contains countless objects. PLANETS AND THEIR MOONS –          Planets are only some of the objects in our solar system. –          Most of the planets (6…

PROFESSIONAL FORECASTING AND TECHNOLOGY

–      People who study weather and make weather forecasts are called meteorologists. –      Meteorologists use advanced technologies like satellites, weather balloons, radar, and computers to forecast weather. CHANGING TECHNOLOGIES –      Before 1980, weather forecasts were only accurate for one day due to a lack of technology. –      Now, weather forecasts are usually accurate for 3-5…