click below
click below
Normal Size Small Size show me how
Science Vocab 2
Term | Definition |
---|---|
Law of Conservation of Matter | Matter is neither created nor destroyed |
Convection | The transfer of heat in a fluid through a current made up of warm, rising fluid and cool, sinking fluid |
Primary Pollutants | Pollutant formed directly from natural activities and human activities |
Secondary Pollutants | Pollutants formed from primary pollutants. |
Ozone | A molecule made up of three oxygen atoms |
Smog | An air pollutant formed from nitrogen oxides and VOC's and activated by sunlight energy |
Photochemical | A chemical reaction that requires sunlight energy |
Volatile Organic Compound (VOC) | A pollutant that reacts with nitrogen oxides to make smog |
Theory | A big idea in science, often developed over time, using evidence gained through observations and experimental data |
Climate | The normal weather conditions of a region, throughout the year, averaged over a series of years |