Weathering and erosion
Weathering is the process where rock is dissolved, worn away or broken down into sma
are mechanical, chemical and organic weathering processes.
Organic weathering happens when plants break up rocks with their growing roots or plant a
Once the rock has been weakened and broken up by weathering it is ready for erosion. Ero
sediments are picked up and moved to another place by ice, water, wind or gravity.
,When ice melts or wind and water slow down they can't carry as much sediment.
deposited, in landforms.
, Why geologists study earth processes
Geologists are 'earth detectives'. Just like other detectives, we need clues that can help
the past. Studying what happens at the coast, in rivers or in the desert can help us figur
and sedimentary rocks form.
Glacial ice is very heavy and causes the earth's crust to be pushed down. When the ice m
again. A series of raised beaches (the long curved lines) show how much the crust has risen
sea level is getting higher as the glaciers melt.
Geologists use these clues to figure out what is buried under the ground surface. This info
different ways.
Geologists can look at how stones are lined up or the shape of ripples and tell which way th
them was flowing.
Weathering is the process where rock is dissolved, worn away or broken down into sma
are mechanical, chemical and organic weathering processes.
Organic weathering happens when plants break up rocks with their growing roots or plant a
Once the rock has been weakened and broken up by weathering it is ready for erosion. Ero
sediments are picked up and moved to another place by ice, water, wind or gravity.
,When ice melts or wind and water slow down they can't carry as much sediment.
deposited, in landforms.
, Why geologists study earth processes
Geologists are 'earth detectives'. Just like other detectives, we need clues that can help
the past. Studying what happens at the coast, in rivers or in the desert can help us figur
and sedimentary rocks form.
Glacial ice is very heavy and causes the earth's crust to be pushed down. When the ice m
again. A series of raised beaches (the long curved lines) show how much the crust has risen
sea level is getting higher as the glaciers melt.
Geologists use these clues to figure out what is buried under the ground surface. This info
different ways.
Geologists can look at how stones are lined up or the shape of ripples and tell which way th
them was flowing.
