Across
- 1. The amount of matter in something
- 4. The amount of time it takes the earth to complete a revolution around the sun
- 9. Change in the physical state of matter from the liquid phase to the gas phase
- 11. Any material that can flow
- 12. The SI unit of measure for matter
- 17. Vaporization of a liquid that occurs only on the surface of the liquid
- 18. Change in the physical state of matter from the solid phase to the gas phase without passing through the liquid phase
- 19. Open sections within longitudinal waves
- 24. The change in an object's speed or direction over time
- 25. The transfer of energy that spreads away from the source (sound, seismic, water)
- 26. The measurement of wave frequency equal to vibrations per second
- 27. The electrons in the outermost energy shell of an atom
- 28. The transfer of heat from a warmer substance to a cooler substance through direct contact
- 33. The bending of the path of light when it passes from one medium to another
- 35. Rate of change of an object in a specified direction
- 36. The study of energy, forces, and motion
- 37. The measure of the force of gravity on an object
- 40. A pure substance that cannot be broken down by chemical or physical means
- 42. The unit of measure used to describe force
- 44. the negatively charged particle found outside the nucleus of an atom
Down
- 2. Matter that has a definite shape and volume
- 3. The distance from any point on one wave to a corresponding point on the next wave
- 5. The force that resists the motion of two surfaces that are touching each other
- 6. The force of attraction between any two objects
- 7. Change in the physical state of matter from the gas phase to the liquid phase
- 8. A combination of two or more substances that have not combined chemically and can be separated by physical means
- 10. Describes any matter that allows light to pass through easily
- 13. The SI unit of measure for length
- 14. A pure substance composed of two or more elements chemically combined in a fixed proportion
- 15. A type of energy that humans can actually see (part of the electromagnetic wave spectrum)
- 16. The SI unit of measure for capacity
- 20. The process by which water, wind, and ice wear down rocks
- 21. The number of wave vibrations produced in one second
- 22. Describes matter that allows some but not all of the light that hits it to pass through
- 23. Matter made from two or more elements that are chemically bonded and cannot be separated by physical means
- 29. The transfer of light energy into an object through which it is passing
- 30. The bouncing back of a wave from a surface
- 31. The transfer of energy in the form of electromagnetic waves
- 32. The maximum height of a wave
- 34. Matter which a wave travels through
- 38. The group of elements in the periodic table that are highly reactive nonmetals including flourine, chlorine, bromine, and iodine
- 39. Mr. Urban's favorite type of joke
- 41. The ability to do work
- 43. When force is used to move an object a distance, measured in joules.