Science chapter 7 Word Scramble
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Term | Definition |
Isostasy | A term geologists use to describe the balance of the weights of rock, water, and ice, and the upward force of the mantle |
Elevation | The height of a mountain peak above the mean sea level |
Relief | A region having mountains and valleys is an example with a great relief |
Mid– Atlantic Ridge | Home of the longest and most extensive mountain system on the earth |
Buttes | An erosion all remnant of a plateau |
Fins | Landforms that looks like fish fins |
Monadnock | Formed by rising magma and erosion |
Volcanoes | Depositional mountain with vent for magma to escape |
Orogeny | The geological history of the origin of mountains through tectonic processes |
Mountains and hills | The difference between them is height and local/ historical traditions |
Mesa | Flat-topped hill with steep sides |
Elevation vs. actual height | Elevation is measurement of mountain from MSL. Actual height is measurement from base of mountain to summit |
Countour lines | When they are close together, they show steep incline. Further apart indicates gradual incline/slope |
Noah's Flood | Many of the erosional remnants of plateaus,may have been created when water drained off the land and eroded away the softer materials that had not yet hardened into rock |
Monocline | Convergent land form. Strata broke along a fault line and fell down forming a step |
Grabens | Divergent land form. Found in the center of a rift where rocks cracked and dropped downward |
Basin | Subsidence landform. Formed when magma chamber emptied and rock strata sagged into a bowl-like structure |
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