Weathering
What is weathering?
The breaking down of rocks through interactions between Earth's systems.
What is erosion?
It is the process of transporting weathered material to another location.
What is deposition?
It is when material is DROPPED during weathering.
What is a landform?
A landform is a natural structure on Earth's surface.
Name one example of an island.
Hawaii
Puerto Rico
Bahamas
Dominican Republic
Costa Rica
Unscramble the bold word to complete the sentence.
Weathering is a WSOL change.Weathering is a SLOW change.
Where do sediments come from?
weathered rock
Explain how a sand dune (hill made out of sand) occurs using the words: geosphere, rocks, atmosphere, wind, landform, and hill.
What is an island?
A piece of land surrounded by water.
List two examples from the hydrosphere that carry tiny pieces of sand.
Rain, Rivers, Wave
When is the amount of erosion GREATEST?
when the wind or water moves fast for a long period of time
What do glaciers deposit as they shift?
Why might the rocks in the Sahara Desert be softer than rocks in Illinois?
The weather (heat) breaks the rocks down more than the rocks in Illinois.
How do volcanoes form islands?
Layers of lava build up over time and appear ABOVE water.
What happens if water gets into a crack in a rock and freezes?
It will split the rock.
True or False:
Erosion changes the shape of the land.
True
How long did it take for the Colorado River to carve out the Grand Canyon?
millions of years
Which systems are interacting when a river empties into a larger body of water?
The hydrosphere (water) and geosphere (rock/sediment).
How does a continental island form?
a chunk of land breaks off from a larger piece of land called a continent.
Caves can form underground when water does what?
Trickles through the soil and rock weathering away the rocks below.
Complete the sentences by using these words:
INSIDE OUTSIDE
Erosion happens ________ of a river, but deposition happens __________ of a river.
Erosion happens OUTSIDE of a river, but deposition happens INSIDE of a river.
It is great farming land!
Fill in the blank:
Earth's surface is ________________ changing.
ALWAYS
Coral islands form when which two systems interact?
Biosphere (tiny sea animals) produce (hard skeletons made out of limestone) geosphere which keeps growing.