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Science Quiz

December 16 2025

QuestionAnswer
Chemical Energy Energy stored in the bonds of atoms and molecules, released during reactions (food, batteries).
Electrical Energy Energy of moving electrons; a flow of electrical charge.
Thermal Energy Internal energy due to motion of atoms/molecules; felt as heat.
Mechanical Energy Sum of potential (stored) and kinetic (motion) energy in an object.
Nuclear Energy Energy stored in the nucleus of an atom; released by splitting (fission) or combining (fusion) nuclei.
Electrons Tiny particles in atoms with a negative charge (−negative−).
Protons Particles in the atom's nucleus with a positive charge(+positive+).
Charge A fundamental property of matter that can be positive or negative.
Attract The force between opposite charges (+positive+and−negative−) causing them to move together.
Repel The force between like charges (+positive +and+positive+or−negative−and−negative−) causing them to push apart.
Static Electricity An imbalance of positive or negative charges on the surface of an object.
Law of Conservation of Energy Energy cannot be created or destroyed, only changed in form.
Circuit A complete, closed path through which electric current can flow.
Conductor Material that allows electrons to flow easily (e.g., copper wire, metal).
Insulator Material that resists the flow of electrons (e.g., plastic, rubber, glass).
Energy Source Provides the push (voltage) needed for electrons to move (e.g., battery, generator).
How does a Battery Convert Energy Chemical energy in the battery's acid/metal reacts -> transformed into electrical energy that flows through a circuit.
Explain static electricity using "attract" and "repel". Rubbing transfers electrons. Objects get positive or negative charges. Opposite charges attract; like charges repel.
Diagram a simple Circuit Draw a battery (source), connected by wires (conductors), with a lightbulb (load). Wires covered in insulators.
Created by: Vivi2014
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