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Test 3 Changes

Test Vocab

TermDefinition
pure substance an element or compound made up of one type of particle
kinetic energy the energy of motion
potential energy the energy stored in an object
physical change when matter changes shape, size, or form, ex cut paper
chemical change when a substance becomes something new, ex - wood burned to ash
atom the smallest unit of a particle
molecule a group of atoms bonded together
periodic table a chart that sows all the elements in atomic number order
Created by: patti.pyeatt
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