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Science Vocab
Term | Definition |
---|---|
Matter | Anything that has volume and mass |
Pollutant | A substance that can make air, soil, or water, harmful to organisms and structures |
Volume | The measure of how much space something takes up |
Mass | The amount of "stuff" in something |
Atom | The basic building block of matter |
Molecule | The combination of two or more atoms |
Compound | A pure substance made 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 but, not in the composition |
Chemical Change | A change in the composition, or chemical makeup, of a sample of matter. Also known as a chemical reaction. |
Photosynthesis | A process through which green plants use the energy of sunlight to make food and oxygen |
Qualitative Data | Data describing using words |
Quantitative Data | Data described using numbers |