Across
- 6. A device used to introduce some amount of resistance into a circuit.
- 7. The simplest form of matter. A pure substance composed of only one type of atom.
- 8. An accurate representation of an object or phenomenon. Models can be visual, physical, mathematical, or computational and are often used in the development of scientific theories or the creation of artifacts.
- 10. Current Theory The current in the circuit is directed away from the positive terminal of the power source and toward the negative terminal of the electric source.
- 12. data represented as a range of values
- 13. Theory The current in the circuit is directed away from the negative terminal of the power source and toward the positiveAna terminal of the electric source.
- 15. Different factors affecting resistance include length the atoms must travel, the diameter of the space the atoms have to travel through and
- 17. A device or material that permits current to flow through it easily.
- 18. An electrical device used to store electrical charge.
- 20. A flow of electric charge.
- 23. The way people use resources to meet their wants and needs.
- 26. An instrument for measuring the properties of an electrical circuit.
- 28. An accumulation of electric charge on an insulated body.
- 30. A binary number 8 bits long.
- 31. A material used to electrically isolate two conductive surfaces.
- 32. The force behind the movement of electrons.
- 36. A base-10 number system that uses the digits 0-9.
- 38. the strength of an electric current in amperes.
- 40. An electronic system that performs a logical operation on an input signal.
- 41. A material that is both a poor conductor and a poor insulator.
- 43. A small electronic device used in a circuit as an amplifier or switch.
- 44. A particle with no charge that is found in the nucleus of an atom.
- 45. The outermost ring of electrons in an atom. Used to determine whether an element is an insulator, conductor or semiconductor.
- 46. This is equal to the number of protons (positively charged particles) in the nucleus of an atom.
- 49. an electrical resistor whose resistance is greatly reduced by heating, used for measurement and control.
- 50. Data represented as either yes/no or true/false.
- 52. Using technological and scientific knowledge to solve practical problems.
- 53. An improvement of an existing technological product, system, or method of doing something.
- 54. A table listing all possible inputs to a circuit and the corresponding outputs.
Down
- 1. An object that is surrounded by a magnetic field and that has the property, either natural or induced, of attracting iron or steel.
- 2. (LED) A semiconductor diode that emits light when conducting current.
- 3. A device used to convert mechanical energy into electrical energy.
- 4. A device used to convert electric energy into mechanical energy.
- 5. A device that permits current to flow through it in only one direction.
- 9. A group of electronic components that work together to perform a specific function.
- 11. How much more or less you can expect a resistor’s actual measured resistance to be from its stated resistance.
- 14. An electrical path between two points.
- 16. A direct current voltage source made up of one or more units that convert chemical, thermal, nuclear, or solar energy into electrical energy that can be stored until it is needed.
- 19. A circuit with only one path for electricity to flow
- 21. The smallest unit of a chemical element, made up of a nucleus surrounded by electrons.
- 22. a device that generates an electric current or voltage dependent on the degree of illumination.
- 24. (Binary Digit) the smallest unit of data that a computer can process and store
- 25. The opposition of current flow. More resistance, less current flow.
- 27. A resistor that has a value that cannot be changed.
- 29. A circuit with only one path for electricity to flow
- 33. a law stating that electric current is proportional to voltage and inversely proportional to resistance.
- 34. A map of an electronic circuit. It uses symbols to represent electrical components along the pathway.
- 35. Magnet created by passing a current through a coil of wire.
- 37. A base-2 number system that uses two digits, 0 and 1.
- 39. Atomic particle with a positive charge, located in the nucleus of an atom.
- 42. A negatively charged particle around the nucleus in an atom.
- 47. A mechanical device used to connect or disconnect a component or circuit.
- 48. A resistor whose value can vary between its minimum and maximum values.
- 51. A person who is trained in and uses technological and scientific knowledge to solve practical problems.