Weathering and Erosion
What is erosion?
movement of weathered rock
What is a landform?
Earth's land features like mountains, valleys, hills
What is the crust?
outermost layer of the earth
What is an earthquake?
sudden movement of earth's crust
What is a volcano?
mountain that builds up around an opening in crust
What is weathering?
breaking down of rocks into smaller pieces
What is an ocean?
large body of salt water
What is the mantle?
layer below the crust
What causes an earthquake?
plates rubbing together
Melted rock on INSIDE of volcano?
magma
What is deposition?
dropping off weathered rock
These are all landforms EXCEPT
island, river, canyon, plain
Is the outer core solid or liquid?
liquid
What is a landslide?
movement of rocks and soil downhill
Melted rock on OUTSIDE of volcano?
lava
What causes weathering?
running water, wind, rain, and temperature changes
What covers Earth's surface?
land and water
Is the inner core solid or liquid?
solid
What is a flood?
water that flows over land that is usually dry
How do volcanoes get bigger?
lava erupts and cools and hardens and over and over again
What causes erosion?
moving water, wind, and glaciers
How is the ocean floor like the land of the continents?
mountains, valleys, etc can be found there
How is Earth like a boiled egg?
crust- shell
mantle- white part
core- yellow
How can an earthquake cause a landslide to happen?
shaking can loosen soil and rocks and cause them to move
Are all volcanoes always active?
No