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Term | Definition |
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Matter | Anything that has volume and has mass |
Pollutant | A substance that can make air, soil, or water harmful to oragnisms |
Volume | A measure of how much space something takes up |
Mass | The amount of "stuff" something takes up |
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 | Descriptive data |
Quantitative Data | Numerical data |