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PerkyPerk IPC Voc

Intergrated Physics and Chemistry Vocabulary

QuestionAnswer
pH measure of hydrogen ions (H+) in a solution on a scale from 0-14 acid (H+)<7 neutral(7) Base (OH-)>7
electrolyte a substance dissolves into ions and produces an electric current
reactivity tendency to gain or lose electrons
solar cells device that absorbs radiant energy from the sun. aka: photovoltaic cell
Newton's laws explain inertia, constant acceleration and momentum
mechanical advantage number of times a machine multiplies the effort force applied to it
oxidation reaction in which atoms in an element lose electrons
momentum property of a moving object based on its mass and velocity
wave properties rhythmic property that transfers energy ; transverse or compressional
heat transfer movement of thermal energy; conduction, convection, & radiation
buoyancy ability of a fluid to exert an upward force
solubility maximum amount of solute dissolved in a solvent at a given temperature
solute substance being dissolved ex: kool-aid, sugar
solvent substance doing the dissolving ex: water
viscosity a fluids resistance to flow ex: syrup or oil had greater viscosity than water
acceleration rate of change in velocity; speed up, slow down, or change direction
density mass per unit of volume; measurment can be g/mL or g/cm^3
efficiency measure of work put in a machine compared to work done by a machine
nuclear reactions splitting apart of an atom (fission) or joining of two atomic nuclei (fusion)
endergonic chemical reactions that require energy
exergonic chemical reaction that release energy; usually light or heat
solution mixture that appears to have the same composition color, density, and taste throughout; made up of two parts; solute and solvent
law of conservation of energy energy is not created or destroyed; it changes forms; ex: electrical energy to heat energy (toaster)
law of conservation of mass mass is not gained or lost; it changes forms; ex: liquid to gas
force push or pull; measured in Newton's * formula f=ma
physical properties transfer of energy when force is applied to an object; measured in joules *formula w=fdcharacteristics you can observe without changing the materials; ex: size, shape
chemical properties any characteristics, such as flammability, that indicates it can undergo a chemical change
power amount of work done in a certain amount of time; measure in watts *formula P=w/t
work transfer of energy when force is applied to an object; measure in joules. *formula w=fd
circuit pathway for electricity: series circuit- one pathway for electricityparallel circuit- two or more pathways for electricity
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