| A | B |
|---|
| scientific theory | an explanation or model backed by results obtained from many tests or experiments |
| scientific law | rule that describes the behavior of something in nature |
| ethics | moral values or beliefs regarding what is good or bad |
| bias | personl opinion |
| hygrometer | measures water vapor in the air |
| anemometer | measures wind speed |
| barometer | measures air pressure |
| meteorology | study of weather |
| Benjamin Franklin | first person to suggest that weather could be predicted |
| Joseph Henry | first person to draw up weather maps to be published/secretary of the Smithsonian Institute |
| NOAA | National Oceanic and Atmospheric Association |
| U.S. Weather Bureau | Became the National Weather Service in 1970 |
| meteorologist | person who studies weather |
| thermometer | measures temperature |
| rain guage | measures amount of rainfall over a period of time |
| Global Positioning System(GPS) | instrument that can pinpoint a person's location on Earth using radio signals from several orbiting satellites |
