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Science OGT Vocab

Science Vocabulary

QuestionAnswer
the smallest component of an element having the chemical properties of the element atom
negatively charged particles found outside the nucleus electrons
the positively charged dense center of an atom nucleus
the regions inside an atom where electrons are likely to be found electron clouds
positively charged particles located in the nucleus protons
the particles of the nucleus that have no charge neutrons
the number of protons in the nucleus of an atom atomic number
atoms of the same element that have different numbers of neutrons isotopes
the sum of the number of neutrons and protons in an atomic nucleus mass number
The average mass of all of the isotopes of an element atomic mass
a pure substance that has unique atoms element
the process of changing state from a gas to a liquid condensation
the process of changing state from a liquid to a gas evaporation
The amount of matter within a substance or an object; the more matter within an substance the greater this is. mass
the amount of space taken up by a substance or object volume
energy in the form of motion, the amount depends on the object's mass and velocity (Mass x Velocity²/2) kinetic energy
energy that is stored, the amount depends on the position and condition potential energy
energy that is transferred from one piece of matter to another, always goes from high to low. heat
Transfer of kinetic energy by direct contact between molecules conduction
Transfer of energy by movement of matter due to density change. convection
energy associated with motion or position of an object. Can occur as kinetic energy or potential energy. mechanical energy
Created by: lmorrison
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