Earth's Landforms
a feature of earth's surface
What is a landform?
melted rock that flows from a volcano onto the ground
What is lava?
occurs when weatherd materials are carried away
What is erosion?
an opening in the surface
What is a volcano?
4 Layers of the Earth
What is the inner core, outer core, mantel, crust?
low land between hill or mountains
What is a valley?
bowl-shaped depression/dip in the ground
What is a crater?
process that causes rocks on the earth's surface to crumble, crack, and break
What is weathering?
a sudden movement in the rocks that make up the earth's crust
What is an earthquake?
The thickest layer of the Earth
What is the mantel?
a deep, narrow valley with steep sides
What is a canyon?
molten rock that is below the earth's surface
What is magma?
List 3 causes of weathering?
What is water, strong winds, changing temperatures, plant roots, chemicals, and erosion?
a violent storm with strong winds and heavy rain what forms over the ocean
What is a hurricane?
Made of solid iron and nickel
What is the inner core?
wide, flat lands
What are plains?
when a volcano forces out melted rock and gas
What is an eruption?
the point where rocks in the crust break and move apart during an earthquake - below the surface
What is the focus?
a small powerful windstorm over land
What is a tornado?
Made of hot liquid iron and nickel
What is the outer core?
flat land with steep sides and has higher land around it
What is a plateau?
an opening in a volcano through which magma reaches the earth's surface
What is a vent?
The place on the surface of the earth directly above the focus of an earthquake.
What is the epicenter?
What is a flood?
continents and ocean floors, thinnest layer
What is the crust?