click below
click below
Normal Size Small Size show me how
Science
Term | Definition |
---|---|
Matter | The amount of “stuff” something contains. |
Pollutant | Atoms and molecules that make up substances. |
Volume | A measure of how much space something takes up. |
Mass | The amount of “stuff” something contains. |
Atom | The basic building block of matter. |
Molecule | A combination of two or more atoms. |
Compound | A pure substance made up of two or more different elements. |
Pure substance | A type of matter composed of a single type of particle and always has distinct, predictable properties. |
Physical change | A change in the form or appearance of matter, but not in its composition. |
Chemical change | A change in the composition, or chemical makeup, of a sample of matter. A chemical change is also known as a chemical reaction. |
Photosynthesis | The process through which green plants use the energy of sunlight to make food and oxygen. |
Qualitative Data | pertaining to or concerned with quality or qualities. |
Quantitative Data | that is or may be estimated by quantity. |