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Final's Reveiw

Science

TermDefinition
Circuit A closed path that electric current follows.
Electric Current The net movement of electric charges in a single direction.
Conductor A material in which electrons are able to move easily.
Insulator a material in which electrons are not able to move easily.
Law of Conservation of charge Charge can be transferred from object to object, but it cannot be created or destroyed.
Chemical Change A change of one substance to another.
Chemical property Is a characteristic of a substance that indicates whether it can undergo a certain chemical change.
Physical Property Any characteristic of a material that you can observe without changing the identity of the substance that make up the material.
Physical change A change in size, shape, or state of matter.
Law of conservation of mass The mass of all substances that are present before a chemical change equals the mass of all the substances that remain after the change.
Kinetic theory Is an explanation of how particles of matter behave.
Thermal expansion Is an increase in size of a substance when the temperature is increased.
viscosity The resistance to flow by a fluid.
buyancy the ability of a fluid, a liquid, or a gas to exert an upward force on an object immersed in it.
Proton Particles that are positive.
Neutron Particles that are Nuetral
Electron Particles that are negative.
Atomic Number The number of protons in an atom is equal to a number called the atomic number.
Mass Number the sum of Protons and Neutrons.
Ductile Can be drawn into a wire.
Malleable able to be hammered or rolled into sheets.
Metal good conductors of heat, and electricity.
Nonmetals elements that are usually gases or brittle solids at room temperature.
Metalloids Can form ionic or covalent bonds with other elements and can have metallic and nonmetallic properties.
Created by: anthonyrouse123