| A | B |
| Acid | A compound usually having a sour taste and capable of neutralizing alkalis and reddening blue litmus paper, containing hydrogen that can be replaced by a metal or an electropositive group to form a salt, or containing an atom that can accept a pair of electrons from a base,  |
| Balanced Forces | Two forces are applied on an object against the object in a different direction, .jpeg) |
| Chemical Formula | A representation of a substance using symbols for its constituent elements,  |
| Convex Mirror | A mirror with a surface that curves outward.,  |
| Electrode | Is an electrical conductor used to make contact with a nonmetallic part of a circuit,  |
| Fluorescent Lights | Lights that glow when an electric current causes ultraviolet waves to strike a coating inside a tube,  |
| Heat of Fusion | The amount of heat required to convert a solid at its melting point into a liquid without an increase in temperature. Liquids release the same amount of heat when they solidify.,  |
| Integrated Circuit | An electrical circuit manufactured on a tiny slice of semiconductor, or chip.,  |
| Machine | Any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks,  |
| Neon Lights | Glass tubes filled with neon that produces light,  |
| Parallel Circuit | Two or more electrical devices in a circuit can be connected by series connections or by parallel connections.,  |
| Projectile | An object that is thrown.,  |
| Short Circuit | An electrical connection that allows current to take an unintended path.,  |
| Subscript | A number in a chemical formula that tells the number of atoms in a molecule or the ratio of element in a compound,  |