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AQ 1-2 Vocab
| Term | Definition |
|---|---|
| Matter | anything that takes up space |
| Pollutant | a substance that can make air,soil,or water harmful to organisms and structures |
| 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 subsistence made up of two or more elements |
| Pure Substance | a type of matter composed of a single type of particle and always has a distinct,predictable properties |
| Physical Change | a change in the form or appearance of matter, but not its composition |
| Chemical Change | a change in the composition |
| Photosynthesis | the process through which green plants use the energy of sunlight to make food and oxygen |
| Qualitative | when words are used in data |
| Quantitative | when numbers are used in data |