| A | B |
|---|
| Actual Mechanical Advantage | The mechanical advantage that a machine provides in a real situation.,  |
| Beta Particle | An electron that is given off by a nucleus during radioactive decay.,  |
| Chemical Reaction | Process in which substances undergo chemical changes.,  |
| Covalent Bond | A chemical bond formed when two atoms share electrons.,  |
| Electromagnet | A device consisting of an iron or steel core that is magnetized by electric current in a coil that surrounds it.,  |
| Formula | A combination of symbols that shows the ratio of elements in a compound.,  |
| Heterogeneous Mixture | Is a type of mixture in which the composition can easily be identified, as there are two or more phases present,  |
| Internal Combustion Engines | An engine that burns fuel inside cylinders within the engine.,  |
| Magnetic Domain | Region in which the magnetic yields of all atoms are lined up in the same direction.,  |
| Neutron | Small uncharged particle in the nucleus of an atom.,  |
| Periodic Table | A table illustrating the periodic system, in which the chemical elements, formerly arranged in the order of their atomic weights and now according to their atomic numbers, are shown in related groups,  |
| Proton | Part of an atom bearing a positive charge,  |
| Sliding Friction | Friction that occurs when one solid surface slides over another.,  |
| Superconductor | A material that has no electrical resistance.,  |
| Vacuum | Devoid of anything,  |
