Words that start with O

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 2. A translucent mineral consisting of hydrated silica of variable color (4)
  2. 4. An eight-sided polygon (7)
  3. 5. An agent that ___ some apparatus or machine (8)
  4. 7. A slender double-reed instrument (4)
  5. 9. Slippery liquid used for cooking and fuel (3)
  6. 10. Not easily explained (3)
  7. 11. The principal activity in your life that you do to earn money (10)
  8. 12. The smallest whole number or a numeral representing this number (3)
  9. 13. Citrus fruit that shares its name with a color (6)

Down

  1. 1. A constituent that is acted upon (6)
  2. 2. Huge body of salt water (5)
  3. 3. Something that serves as a model or a basis for making copies (8)
  4. 5. A clear or unobstructed space or expanse of land or water (4)
  5. 6. A notice of someone's death (8)
  6. 8. An authoritative rule (9)
  7. 11. Not in operation or operational (3)