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.” …

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…

Forecasting and Measuring Weather

–      Forecasting weather can be difficult because there are many factors involved in weather such as the motion of air and water masses. –      Weather forecasters (meteorologists) use complex computer models, weather instruments, and observations of weather patterns to predict the weather. –      However, through careful observation, weather can be predicted by any individual. –     …