Earth Layers
What is the outermost layer of the Earth called?
Crust
Which of the three rock types that is formed from cooled lava?
Igneous Rock
What is weathering?
Weathering is the process by which rock is broken down into smaller pieces by physical or chemical means.
What is island?
a piece of land surrounded by water
What is the name of the layer beneath the Earth's crust?
Mantle
How are sedimentary rocks formed?
Sedimentary rocks are formed from sediment that has been compacted and cemented together.
What is erosion?
Erosion is the process by which wind, water, and ice wear away and transport sediment from one location to another. It shapes the Earth's surface by creating landforms like valleys, canyons, and beaches.
What is river?
A narrow and long flowing body of water
Which layer is the hottest?
Inner core
What are the three types of rocks?
Sedimentary, Metamorphic, Igneous Rocks
What is the rock cycle?
What is peninsula?
a piece of land bordered by water on three of its sides
How many layers does the Earth have, and what are they called?
4: Crust, Mantle, Outer Core, Inner Core
How are metamorphic rocks formed?
Metamorphic rocks are formed from existing rocks that have been subjected to heat, pressure, or both.
How can weathering contribute to erosion?
It contributes to erosion by creating loose sediment that can be transported by wind, water, or ice.
What is plateau?
A plateau is a flat, elevated area of land.
How is the Earth's outer core different from its inner core?
The Earth's outer core is liquid, while its inner core is solid.
Additionally, the outer core is composed mainly of molten iron and nickel, while the inner core is primarily composed of solid iron.
What are the little pieces of rocks called?
Sediments
What is the process of deposition?
Deposition is the process by which sediment is transported and deposited in a new location.
What are two differences between hills and mountains?
Hills are easier to climb than mountains. They are less steep and not as high. But, like a mountain, a hill will usually have an obvious summit, which is its highest point.