1. A Map Grid and Index

2. Squares formed by the grid are marked with letters and numbers.

3. On some maps, the letters run across the top and the numbers run down the side.

4. Grids help people locate specific things easier on a map.

5. Vocabulary Words

6. grid – a pattern of lines that form squares

7. Index – an alphabetical listing of place names on a map and the grid squares in which they are found

8. Physical map – a map that shows natural landforms and waterways on Earth’s surface

9. South Pole – the point on the Earth located at 90°south latitude, where the lines of longitude meet.

10. Answers

11. MONDAY
1. D2
2. Alexander Island

12. 1. Ross Sea; McMurdo Sound
TUESDAY
1. Ross Sea; McMurdo Sound
2. C6 and C7

13. 2. Amundsen Sea, Bellingshausen Sea, Ross Sea, and Weddell Sea
WEDNESDAY
1. 7 grid squares
2. Amundsen Sea, Bellingshausen Sea, Ross Sea, and Weddell Sea

14. 1. Ronne Ice Shelf and Ross Ice Shelf
THURSDAY
1. Ronne Ice Shelf and Ross Ice Shelf
2. Atlantic, Indian, and Pacific Oceans

15. 1. East Antarctica; by counting the number of grid squares
FRIDAY
1. East Antarctica; by counting the number of grid squares
2. Weddell Sea; B1