Question | Answer |
What is the core? | It is at the center of the earth. |
What is the mantle? | Makes up most of the earth's mass |
What is the crust? | The outer most layer of earth |
What is magma? | Liquid rock that is within earth's surface |
What is lava? | Magma that has reached earths surface |
What is plate tectonics? | How forces within the earth create land forms |
What is continental drift? | The movements of earth's plates across the mantle |
What are rift valleys? | They are formed underwater when plates move apart frome eachother |
What is the abyssal plains? | When ocean floors sink because there is no heat below them, these regions are smooth |
What are continental shelves? | The surface that extend under shallow oceans |
What are folds? | Areas of compressed rock that occurs when plates collide with each other |
What are faults? | Faults occur when rock masses have moved apart and broken away from each other. |
What is weathering? | The process by which rocks break down and decay over time. |
What is sediment? | The smaller particles of rock, gravel, sand, and mud that weathering breaks rocks into |
What is erosion? | The Movement of surface material from one location to another, wind, water, and ice cause this to take place |
What are glaciers? | Thick masses of ice |
What is a plateau? | An elevated flatland that rises sharply above nearby land on at least one side |
What is the alluvial fan? | sediment eroded from a mountain to the base of the mountain |
what is a delta? | accumulated sediment at the opening of an ocean |