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AQ LS 1 and 2 Vocab
Science LS 1 and 2 Vocabulary Words
Term | Definition |
---|---|
Matter | Anything that has volume 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 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. 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 | Described in appearance and no factual support. |
Quantitative Data | Described with facts and measures (detail). |