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Science-Warren-Vocab

TermDefinition
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.
Created by: Tara_Bear111