Define constructive force
Processes that cause the earths surface to build up.
What are destructive forces?
It's a type of force that destroys landforms
What is weathering?
A process of breaking down rock into smaller pieces.
What is deposition?
The process by which sediment is laid down by erosion & builds up the earths surface/
Breaking down of landforms?
Destructive
What are three types of constructive forces?
Earthquakes, volcanic eruptions, and deposition of sediment.
What are two destructive forces
Weathering & erosion
What is erosion?
The carrying away of broken down sediment from one place to another.
In what four ways does deposition occur?
Water, wind, ice or gravity
Volcanoes
Both
Name the landform that is the result of deposition at the mouth of rivers.
Delta
What is a destructive force?
Its the process by which rock is broken down, such as erosion and weathering either through violent actions of volcanoes and earthquakes or by the steady flow of a river.
What are 4 causes of erosion?
Ice, gravity, water and wind
What is a delta?
A land form that is formed at the mouth of a river?
Earthquakes
Both
What are constructive forces caused by
Water, gravity, wind & glaciers.
The tool that scientists use to measure the strength of an earthquake is called......
Seismographs
What are two types of weathering?
Mechanical & Chemical
How are volcanic eruptions constructive forces?
Volcanic eruptions are constructive because when magma reaches the surface and cools, it adds new rock to surface of the earth.
Floods
Destructive