Science Chapter 5 Lesson 1

2. water contains little or no salt; found in rivers, lakes, rainfall; most is ice
6. horizontal lines that show locations north or south of the equator
7. low, flat land
8. regions into which rivers in the surrounding area flow
11. Earth's layer made up of the crust and the rigid upper part of the mantle
13. Divide ridge running from Mexico to Canada; west of this ridge, rivers flow toward the Pacific Ocean; east of this ridge, rivers flow toward the Atlantic Ocean or the Gulf of Mexico
14. map map that shows elevation of places on Earth using contour lines
15. Earth's layer beneath the mantle
17. map map which shows regions of different heights as different colors
18. Earth's layer beneath the crust
21. masses of rock that rise more than 2,000 feet above surrounding area;
23. how much salt is dissolved in water
24. core Earth's solid, innermost layer; made of iron and nickel

1. large sheets of ice that slowly move
3. the part of Earth that contains water;
4. glaciers form at high elevations in areas such as mountains; also known as alpine glaciers
5. glaciers cover large parts of polar regions; Greenland and Antarctica
9. Earth's solid, rocky surface; ocean floors and continents
10. an area of high, flat land
12. water ocean water contains Sodium Chloride(NaCl) and Magnesium Chloride(MgCl)
13. lines connect places on a map that have the same elevation
16. height above or below sea level
19. elevation in the air: locations in space, airplanes, clouds
20. vertical lines that show locations east or west of the prime meridian
22. core Earth's molten, fluid part of the core; made of iron and nickel