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Ls1-2 vocab
vocab
Term | Definition |
---|---|
Matter | Anything that has volume (takes up space)and mass. |
Pollutant | A substance that can make air, soil, or water harmful to organisms. |
Volume | A measure of how much space something takes up. |
Mass | The amount of matter Something contains. |
Atom | The basic building block of 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 that composed of a single type of particle and always has distinct predictable Properties. |
Physical change | A change in the |
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 | Data that is acquired through observation not evidence. |
Quantitative Data | Data that is acquired through evidence. |