Smart Simplicities

5. A green place in a desert.
7. 14-line poem with a twist at the end.
8. A secret or coded message.
10. Smallest unit in a digital image.
12. What keeps your feet on the ground.
13. Path a planet follows around the sun.
14. Traditional story with gods, heroes, or explanations.
16. Sound that returns after bouncing off a surface. (Duplicate clue used intentionally to reinforce pattern recognition.)
17. Herb that sounds like a ticking clock.
18. A book filled with maps.

1. Splits white light into a rainbow.
2. How plants turn sunlight into food.
3. Language of computers—just zeros and ones.
4. Ancient life form preserved in rock.
5. The curve that satellites travel along in space. (Also reinforcing word familiarity.)
6. Brain cell that sends signals.
9. Variant form of a chemical element.
11. Clear reasoning; computer science loves it.
15. A crystal often found in watches.
16. Sound that bounces back.