Across
- 2. - Principle of physics according to which the energy of interacting bodies or particles in a closed system remains constant.
- 3. - When light bounces off an object.
- 4. - The bending of light (it also happens with sound, water and other waves) as it passes from one transparent substance into another.
- 6. - A negatively charged subatomic particle that can be either bound to an atom or free.
- 7. - Piece of glass or other transparent substance that is used to form an image of an object by focusing rays of light from the object.
- 9. - The ability of a quantum system to be in multiple states at the same time until it is measured.
- 11. - Type of stored energy that an object or system of objects may have based on their size, shape, position, or even material they are made from.
- 12. - A body suspended from a fixed point so that it can swing back and forth under the influence of gravity.
- 14. - Force necessary to provide a mass of one kilogram with an acceleration of one metre per second per second.
- 15. - A phenomenon in which the length of a moving object is measured to be shorter than its proper length.
- 16. - A region around a charged particle or object within which a force would be exerted on other charged particles or objects.
- 18. - A twisting or turning force that tends to cause rotation around an axis, which might be a center of mass or a fixed point.
- 20. - The time it takes for the vibrating object to make one cycle or oscillation and return to its original position.
- 22. - An explanation of how speed affects mass, time and space.
- 23. - Unit of work or energy in the International System of Units, it is equal to the work done by a force of one newton acting through one metre.
- 24. - The rate at which work is done.
- 25. - Distance between the resting position and the maximum displacement of the wave.
- 27. - The light traveling in any one direction in a straight line.
- 28. - The quantity of electricity transported in one second by a current of one ampere.
Down
- 1. - The net effect of the combination of two or more wave trains moving on intersecting or coincident paths.
- 3. - A phenomenon that occurs when the matching vibrations of another object increase the amplitude of an object's oscillations.
- 5. - A characteristic of a unit of matter that expresses the extent to which it has more or fewer electrons than protons.
- 8. - A disturbance in a medium that carries energy without a net movement of particles.
- 10. - A branch of optics where light is described by rays.
- 12. - Positively charged particles which are present in the nucleus of an atom.
- 13. - The energy of either an object in motion or the energy that is stored in objects by their position.
- 17. - The number of waves that pass a fixed point in unit time.
- 19. - The energy that a body contains because of its mass and speed.
- 21. - The slowing of time as perceived by one observer compared with another, depending on their relative motion or positions in a gravitational field.
- 26. - Particles in an atom that have a neutral charge.