Chapter 2 Crossword

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Across
  1. 3. the strength and vitality required for sustained physical or mental activity.
  2. 4. the branch of physical science that deals with the relations between heat and other forms of energy (such as mechanical, electrical, or chemical energy), and, by extension, of the relationships between all forms of energy.
  3. 6. the transition of a substance directly from the solid to the gas state, without passing through the liquid state
  4. 8. changes affecting the form of a chemical substance, but not its chemical composition
  5. 9. A chemical substance is a form of matter having constant chemical composition and characteristic properties
  6. 14. the action of bringing a liquid to the temperature at which it bubbles and turns to vapor.
  7. 17. an element or compound is a phase transition from the liquid phase to vapor
  8. 19. activity involving mental or physical effort done in order to achieve a purpose or result.
  9. 20. the amount of space that a substance or object occupies, or that is enclosed within a container, especially when great.
  10. 21. below 32°F (0°C).
  11. 23. a coherent, typically large body of matter with no definite shape.
  12. 27. the process of turning from liquid into vapor.
  13. 30. a substance made by mixing other substances together.
  14. 31. In physics, a state of matter is one of the distinct forms in which matter can exist. Four states of matter are observable in everyday life: solid, liquid, gas, and plasma.
  15. 32. the laying down of sediment carried by wind, flowing water, the sea or ice.
  16. 33. a substance or matter in a state in which it will expand freely to fill the whole of a container, having no fixed shape (unlike a solid) and no fixed volume (unlike a liquid).
Down
  1. 1. occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances.
  2. 2. a body's relative mass or the quantity of matter contained by it, giving rise to a downward force; the heaviness of a person or thing.
  3. 5. is a physical quantity that expresses hot and cold
  4. 7. occur when the nuclei of atoms are rearranged to form new atoms.
  5. 10. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
  6. 11. a thing that is composed of two or more separate elements; a mixture.
  7. 12. the colorless fluid part of blood, lymph, or milk, in which corpuscles or fat globules are suspended.
  8. 13. physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, especially as distinct from energy.
  9. 15. a substance that flows freely but is of constant volume, having a consistency like that of water or oil.
  10. 16. strength or energy as an attribute of physical action or movement.
  11. 18. an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
  12. 22. each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter.
  13. 24. the force that attracts a body toward the center of the earth, or toward any other physical body having mass.
  14. 25. is one of the four fundamental states of matter. The molecules in a solid are closely packed together and contain the least amount of kinetic energy.
  15. 26. water which collects as droplets on a cold surface when humid air is in contact with it.
  16. 28. the basic unit of a chemical element.
  17. 29. becoming liquefied by heat.