| A | B |
| Which of the following is the correct equation to calculate electrical energy? | E = P x t |
| Through which of the following will convection most likely occur? | solids |
| Devices that use semiconductors to produce electricity from solar energy | photovoltaic cells |
| A device that does work with only one movement and changes the size or direction of a force | simple machine |
| the total amount of energy in the universe remains constant | law of conservation of energy |
| The fuel used in a nuclear reactor usually comes from____ | uranium-238 |
| A switch that reverses the direction of the current in a motor | commutator |
| A winding mountain road is an example of ____ | inclined plane |
| The primary pigment colors are... | magenta, cyan, and yellow |
| The process by which engine fuels burn | combustion |
| In the equation p = m x v, the p represents... | momentum |
| Two simple machines that are part of a bicycle are ___ | a gear, a wheel, and an axle |
| X rays are used for___ | medical imaging |
| The part of a nuclear reactor in which the fuel is located | core |
| The upward force on an object falling through the air | air resistance |
| The transfer of energy that does NOT require matter | radiation |
| Which of the following is the correct sequence of strokes in a four-stroke engine? | Intake, compression, power, exhaust |
| The gauges on the dashboard of a car | galvanometers |
| Waves in which the particles of the medium move only in the same direction as... | the motion of the wave are compressional waves. |
| The rate at which an electrical device converts energy from one form to another | electrical power |
| If you are lying on a raft, and you notice that the number of waves that go past the raft increases, | you also find that the distance between each crest decreases. |
| The part of the ear that transfers sound vibrations to the cochlea | oval window |
| A circuit that has two or more branches for electrons to follow | parallel circuit |
| Which of the following is common to both nuclear fusion and nuclear fission? | Matter is converted into energy. |
| Your body needs ultraviolet waves to_____ | to make vitamin D |
| The carbon rod in a standard D-cell serves... | as a conductor to transfer electrons |