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AQ LS 1 and 2 Vocab
Term | Definition |
---|---|
Matter | anything that has volume and has mass |
molecule | a combination of two or more atoms |
mass | The amount of "stuff" something contains |
pollutant | A substance that can make air, soil, or water harmful to organisms and structures |
pure substance | A type of matter composed of a single type of particle and always has distinct |
physical change | A change in form or appearance of matter, but not in its composition |
photosynthesis | The process through which green plants use the energy of sunlight to make food or oxygen. |
chemical change | a change in composition, or chemical makeup, of a sample of matter |
qualitative data | data written in form of qualitys |
quanitative | data written in form of numbers |
atom | the basic building block of matter |
compound | a pure substance made up of 2 or more elements |
volume | a measure of how much space something takes up |