1. Lost Temple of the Aztecs By: Augustina Longo

2. Glacier a large mass of ice that moves slowly, down a mountain. Glaciers are similar to slow-moving rivers of ice.

3. Motion movement, going from one place to another. That child is always in motion; she never sits still.

4. Pressure application of force against Air pressure in the tire keeps it inflated.

5. Direction a route, line of movement geographically. We walked in a northerly direction.

6. Caution concern about not making a mistake. He uses caution when he puts money into the stock market.

7. Partial incomplete, only a part of He owed me $1,000, and he made a partial payment of $500.

8. Ancient very old, dating from more than 5,000 years ago to the fall of the Roman Empire in 476 A.D In school, we studied the ancient Greek and Roman civilizations.

9. Polish to rub until it is smooth and shiny I polished my shoes.

10. Station place or building for the arrival and departure of transportation. I waited at the police station for my mom.

11. Shallow not deep The pond is shallow; the water goes only up to my knees.

12. Official a person who works for a government or other organization. The judge is making a official contract.

13. Edition a specific printing of a book or periodical. The evening edition of the daily newspaper a new edition of a textbook.

14. Musician person who writes, sings, or plays music. One hundred musicians play in that orchestra.

15. Mention to say or write, briefly or casually I mentioned to my friend that he needed a haircut.

16. Mission the purpose of the business that a person or organization conducts. The ambassador's mission is to work for peace with other countries.

17. Portion a small piece or section of a larger thing. I put a portion of my salary in a savings account each month.

18. Session a meeting or other activity within a specific time period. A one-hour exercise session the fall session.

19. Selfish concerned with oneself more than others, not sharing. Your selfish brother took all the ice cream and left us none.

20. Establish to found, create The English established a colony in Africa.

21. Cushion a type of soft pillow. The cushions on the sofa are covered with silk.

22. The Challenge Words The challenge begins in spelling!

23. Expedition a journey made by a group organized and equipped for a special purpose. Admiral Byrd made an expedition to reach the North Pole.

24. Diminish to lessen in force. The need to take action has diminished.

25. Recession a time when economic activity is not strong. In a recession, there are fewer jobs for workers, so people have less money.

26. Beneficial good, advantageous The vacation was beneficial to his health.

27. Technician a worker trained in a specific area of technology. He is a computer technician who knows how to fix computer equipment.