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AQ Vocab words
Science Vocab
| Term | Definition |
|---|---|
| Matter | anything that has volume (takes up space) and has mass. |
| 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 substance made up of two of more different elements |
| Pure substance | a type of matter composed of a single type of particle |
| 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 reaction is also known as a chemical change. |
| Photosynthesis | the process through which green plants use the energy of sunlight to make food and oxygen |
| Quantitative Data | data represented by numbers |
| Qualitative Data | Data not represented by numbers |