Across
- 3. Made up of rock containing silicon, iron,magnesium, aluminum, oxygen along with other minerals and is 2,900 thick.
- 6. mountains are formed by the movement of large crustal blocks when forces in the Earth's crust pull it apart
- 8. A mountain range resulting from dissection of a structural dome.
- 10. Outermost layer containing different types of rocks and is 35-60 km thick
Down
- 1. Lowlands along the bottoms of valleys or on the doorsteps of mountains, as coastal plains, and as plateaus or uplands.
- 2. A mountain or hill, typically conical, having a crater or vent through which lava, rock fragments, hot vapor, and gas are being or have been erupted from the earth's crust.
- 4. mountains that form mainly by the effects of folding on layers within the upper part of the Earth's crust.
- 5. These are large areas of high levels of flat land, over 600 meters above sea level formed due to earth's internal activity.
- 7. Consists of a nickel-iron alloy and is 1,200 thick
- 9. Liquid layer that contains Nickel and Iron and is 2,300km thick