click below
click below
Normal Size Small Size show me how
Science-Warren-Vocab
Term | Definition |
---|---|
Hypothesis | A possible explanation or answer to a question. |
Independent Variable | A manipulated/changed factor which is indicated on the X axis of a graph. |
Dependent Variable | Measurable/response to change factor which is indicated on the Y axis. |
Constants | A factor that does not change in a specific inquiry/lab. |
Controls | A factor of comparison in a scientific inquiry that is not tested. |
Matter | Anything that has volume and mass. |
Particle Theory Of Matter | All matter is composed of tiny particles called atoms. |
Element | A pure substance that cannot be separated or broken down into simpler substances by physical or chemical means. |
Compound | A pure substance composed of two or more elements that are chemically combined. |
Mixture | A combination of two or more substances that are not chemically combined. |
Solvent | The substance in which a solute is dissolved to form a solution. |
PH scale | A measure of hydronium ion concentration in a solution. |
Base | Any compound that increases the number of hydroxide ions when dissolved in water. |
Salt | An ionic compound formed from the positive ion of a base and the negative ion of an acid. |
Acid | Any compound that increases the number of hydrogen ions when dissolved in water. |
Solute | The substance that is dissolved to form a solution. |
Inorganic Compound | A compound that does not contain carbon. |
Organic Compound | A compound that contains carbon. |
Density | The amount of matter in a given space; mass per unit volume. |
Physical Property | A property of matter that can be observed or measured without changing the identity of the matter. |
Chemical Property | A property of matter that describes a substance based on its ability to change into a new substance with different properties. |
Physical Change | A change that affects one or more physical properties of a substance. (Many physical changes are easy to undo) |
Celcius Temperature Scale | The temperature scale used by most scientist. |
Kelvin Temperature Scale | The SI unit for temperature. |
Absolute Zero | Lowest temperature on the Kelvin scale. |
Heat | The transfer of energy between objects that are at different temperatures. |
Temperature | Measure of the average kinetic energy of the particles in an object. |
Phase Change | The conversion of a substance from one physical form to another. |
Freezing Point | The change of state from a solid to a liquid. |
Melting Point | The temperature at which the substance changes from a solid to a liquid. |
Boiling Point | The temperature at which a liquid boils. |
Vaporization | The change of state from a liquid to a gas. |
Condensation | The change of state from a gas to a liquid. |
Conduction | The transfer of thermal energy through direct contact. |
Convection | The transfer of thermal energy by the movement of a liquid or a gas. |
Radiation | The transfer of energy through matter or space as an electromagnetic wave. |
Heat Transfer | The process whereby heat moves from one body or substance to another by radiation, conduction, or convection. |