Across
- 3. A quantity which has direction as well as magnitude (a directional line segment)
- 4. A pressurized heavy water reactor used for generating electric power
- 8. A property of objects which can be transferred, or converted to different forms, yet cannot be created or destroyed
- 9. The SI unit for pressure, equal to one newton per square metre
- 10. Insulating heat energy
- 13. A phase transition from a liquid to a gas or vapour when the substance is below its boiling point
- 15. The ability for a substance to flow, pertaining to a substance that easily changes its shape
- 16. Equal to one joule per second, SI unit of power
- 17. A variation of a particular chemical element ( ex. Hydrogen) where this variation differs in its number of neutrons, but contains the same number of protons
- 20. The first letter of the Greek alphabet, in Greek numerals it obtains a value of one
- 21. A brief force on a body producing a finite change in momentum in which the momentum equals the average value of the force multiplied by the time during which it acts
- 22. The form of energy that is utilized when an object is compressed or stretched, and when work is performed to distort volume or shape
- 23. One of the four fundamental states of matter, has an indefinite shape and volume, can be easily compressed, possesses perfect molecular mobility and expansion
- 24. The SI unit for thermodynamic temperature, equal in magnitude to the degree Celsius, 0 degrees Celsius is equal to 273 degrees _____
- 25. Dormant, present or potential but not evident or active (______finger prints are not visible but can be developed)
- 27. The term used when a solid changes directly to a gaseous state (or vice versa) when the pressure is dropped rapidly and significantly
- 30. Equal to the amount of energy consumed per unit of time, SI unit = J/s or watt
- 32. Any physical quantity that can be completely described by a singular numerical value (speed, distance, mass or volume)
- 33. The occurrence when a substance melts under pressure and re-freezes when the pressure is released
- 34. Equal to the work done by a force of one newton when its point of application moves one meter in the direction of the force applied
- 36. The quantity of motion of a moving body, measured as a product of its mass and its velocity
- 37. The stored ability (energy) of an object to do work, stored initiative
- 39. The process of combining two or more different distinct entities into a new whole
Down
- 1. The second letter of the Greek alphabet, in Greek numerals it obtains a value of two
- 2. A push or a pull on an object that causes it to change its state of motion (accelerate from rest), equal to mass multiplied by gravity or acceleration.
- 3. A substance that is in a gaseous state at a temperature below its boiling point, a substance suspended in the air that is visible as clouds/smoke etc.
- 5. The splitting of an entity into two or more parts
- 6. The prefix for the term of the wavelength that is just shorter than that of the violet end of the visible spectrum but longer than that of X-rays
- 7. Previously known as centigrade, a unit for measuring temperature in which 0 degrees is the freezing point of water and 100 degrees is the boiling point
- 11. When the total value of a physical quantity in a system remains constant (ex. energy, mass, linear/angular momentum)
- 12. To shrink or become less extensive, to take up less area/volume due to more attraction of particles
- 14. The prefix for the term of the wavelength that is just greater than that of the red end of the visible light spectrum but less than that of microwaves
- 18. Force applied per unit area over which the force (perpendicular to the object’s surface) is distributed
- 19. The energy an object possesses in motion
- 26. To grow larger in size or become more extensive, to spread and take up a greater area/volume due to less attraction of particles
- 28. A device used to measure temperature using mercury or alcohol in a glass tube with numerical increments. When in heat the substance expands and rises, and when in cold the substance contracts and falls
- 29. The third letter of the Greek alphabet, in Greek numerals it obtains a value of three, can also be referred to as a ray that is not on the visible light spectrum
- 31. A displacement of the point of application in the direction of the force occurs when a force does this (when a ball is dropped the ____ done on the ball= the weight of the ball multiplied by the distance to the ground)
- 32. One of four fundamental states of matter, has a definite shape and volume and very tightly packed particles.
- 35. Equal to the force that would allow a mass of one kilogram to accelerate at one metre per second per second
- 38. One of four fundamental states of matter, has a definite volume yet an indefinite shape, molecules move freely but do not separate, can be slightly compressed