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Science Unit E Ch 2
Chapter 2 Vocabulary
Question | Answer |
---|---|
colloid | A suspension that isn't easily separated, because of the small size of the particles. |
physical property | Properties that can be observed or measured without changing an object, or any part of the material it is made of, into something else. |
texture | An observable physical property; how the surface of a substance feels. |
ductility | The ability of a substance to be pulled into thin threads without breaking. |
density | The amount of mass in a given volume. |
buoyancy | The ability to float in a liquid or rise in a gas. |
chemical property | A property that describes the ability of a substance to react with other materials and form new substances. |
combustiblity | The ability to burn. |
reactivity | The ability of a substance to go through a chemical change. |
stability | The condition where a substance does not go through chemical changes easily. |
mixture | A combination of two or more pure substances that are not chemically combined with each other. |
solution | A mixture in which the particles of each substance are mixed evenly. |
suspension | A mixture that contains particles that are large enough to be seen and can be separated from the mixture by using filter paper. |