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AQ 1-2 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 | 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 or more different elements. |
Pure Substance | A type of matter composed by a single type of particle. |
Physical Change | A change in form or appearance, but not composition. |
Chemical Change | A change in composition of a sample of matter. |
Photosynthesis | The process through which green plants use the energy of sunlight to make food and oxygen. |
Qualitative Data | Data that is descriptive. |
Quantitative Data | Data that is numerical. |