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2nd 6 Weeks

Balanced Forces forces that cancel each other out because they are equal in size and opposite in direction
Chemical Energy energy that can be released by a chemical reaction
Circuit a path along which electric charges can flow
Conductor a material that lets heat or electricity travel through it easily
Electric Current the flow of electric charges along a path
Electrical Energy energy that comes from electric current
Energy the ability to cause changes in matter
Force a push or a pull, which may cause a change in an object’s motion
Friction a force that acts between two touching objects and that opposes motion
Insulator a material that does not let heat or electricity move through it easily
Kinetic Energy the energy an object has because of motion
Light Energy a form of energy that can travel through space and lies partly within the visible range
Mechanical Energy the total potential and kinetic energy of an object
Opaque not allowing light to pass through
Parallel Circuit an electric circuit that has more than one path for the electric charges to follow
Pitch the highness or lowness of sound
Potential Energy energy that an object has because of its position or its condition
Prism a transparent object that bends and separates white light into the colors of the rainbow
Reflection the bouncing of light waves when they encounter an obstacle
Refraction the bending of light waves as they pass from one material to another
Series Circuit an electric circuit in which the electrical charges have only one path to follow
Static Electricity the buildup of electric charges on an object
Temperature the measure of the average energy of motion of particles of matter, which we feel as how hot or cold something is
Thermal Energy the total amount of kinetic energy of the particles in a substance
Translucent allows only some light to pass through
Transparent allows light to pass through
Unbalanced Forces forces that cause a change in an object’s motion because they don’t cancel each other out
Wave a disturbance that carries energy, such as sound or light, through matter or space
Created by: Mr. Minett