Science

2. mounds or small hills made up of sand.
4. the wearing away of rocks on the earth's surface by the action of water, ice, wind, and etc.
8. sediments that have been deposited by a stream or river.
9. outer solid part of the planet.
13. a low-lying triangular area located at the mouth of rivers where it meets an ocean
14. formed by the chemical and mechanical action of the wind
16. its name originated from a french which means "hillock" or small hill.
17. study of the flow of matter primarily in the liquid state.
18. usually rounded natural elevation of land lower than a mountain.
20. formed by various forces of nature

1. hot dense ball of mostly iron and can be found at the deepest layer of earth.
3. begins beneath the crust and contains rocks that are much more cooler and brittle.
5. located above the outer core and mostly compromised of hot and soft rocks and minerals.
6. rise higher than the rest of their surroundings.
7. a flat expanse of land that generally does not change much.
10. are huge, slow-moving bodies of ice.
11. third and the only liquid layer of earth.
12. portions of lands elevated thousands of feet above their surroundings
15. outermost layer of earth.
19. largest layer of earth.