Chapter 12 Crossword

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 1. State of matter with a fixed shape (plural) (6)
  2. 4. A solid bounded by a ___ surface and two parallel planes (8)
  3. 9. A way of regarding situations or topics etc (11)
  4. 10. A polyhedron having a polygonal base and triangular sides with a common vertex (7)
  5. 13. The United States federal department charged with conservation and the development of natural (8)
  6. 14. Someone who has won first place in a competition (plural) (6)

Down

  1. 1. The outermost level of the land or sea (7)
  2. 2. The space between two lines or planes that intersect (5)
  3. 3. Airtight sealed metal container for food or drink or paint etc (3)
  4. 5. A straight line connecting the center of a circle with two points on its perimeter (8)
  5. 6. A science dealing with the logic of quantity and shape and arrangement (11)
  6. 7. A particular geographical region of indefinite boundary (4)
  7. 8. A parallelogram with four right angles (9)
  8. 11. The length of a line segment between the center and circumference of a circle or sphere (6)
  9. 12. A polyhedron with two congruent and parallel faces and whose lateral faces are parallelograms (5)
  10. 15. The base part of a tree that remains standing after the tree has been felled (5)