Landforms
a landform created where a river deposits sediments as it enters a larger body of water
What is a DELTA
the breaking of rocks into smaller pieces
weathering
This is the process that forms mountains
Constructive process of two plates pushing together and forcing land upward
tools and methods people use to solve problems or make predictions
technology
The difference between weathering and erosion
weathering breaks the rock down, while erosion moves the pieces away
A hill of sand built by wind depositing sand particles
what is a sand dune?
the dropping of sedimant in a new place
deposition
This is the process that forms deltas
Constructive process of deposition
used to predict earthquakes by detecting ground shaking
Seismographs
A volcano erupts and creates a new island. Is this constructive, destructive or both? explain
BOTH
It is constructive because lava piles up to build the island and destructive if it buries existing land or destroys plants and animals nearby
a mountain that is formed by lava and ash erupting from inside the Earth
What is a volcano
True or False
Weathering and Erosion are the same thing
FALSE!
A process that builds up or creates new landforms on Earth's surfaces
Constructive process
this can help predict hurricanes by taking pictures from space and tracking its movement
Satellites
True or false:
Erosion only happens because of water
FALSE
Erosion can be caused by wind, water, ice (glaciers) and gravity. All of these can move sediment from one place to another
A natural feature on Earth's Surface (i.e, mountains, valleys, canyons, etc..)
What are landforms
The three steps for how deltas are formed
1. weathering- rain and wind breaks the rock apart
2. Erosion- sediments moved down river
3. Deposition - sediment is dropped at the mouth of the river
A process that breaks down or wears away landforms on Earth's surface
destructive process
True or false:
Technology helps us predict and reduce damage, but we cannot stop natural processes like earthquakes or erosion completely
TRUE!
We can't stop it from happening only use it to predict, prevent and warn
Mountains are formed by constructive processes, but they get smaller over time. why?
Overtime destructive processes like weathering and erosion can wear away the mountain and make it smaller
Formed when a fast moving river slowly cuts and carves into the Earth over the years
Canyon
sediment is carried by wind or water to another place
Erosion
this is the type of process associated with volcanoes
Constructive AND Destructive
constructive - lava and ash pile up and build new land
destructive - lava destroys existing land
two types of technology used to control flooding and erosion
Levees and Dams
A scientist builds a model using a fan, sand and a tray to study how wind changes landforms. What does this model show?
This model can show wind erosion and deposition.
It helps to show how these processes happen quickly