Across
- 1. a series of event that contains to repeat itself
- 4. an ancient region of southern mesopotamia
- 7. a culture that has reached an advanced state
- 8. measure of how much mass there is in a given volume of a substance
- 9. a distingushing characteristc or defining quality
Down
- 1. heat transfer within a material or between material that are touching
- 2. heat transfer by the movement of currents in a fluid
- 3. the transfer of energy through space where materials do not touch
- 5. a belief in many gods or goddesses
- 6. an ancient temple that rose in a series of step like levels and served as the center of city life