Rocks
Landforms
Earth's Surface
Earth's layers
Misc.
100
When sand and small bits of stone harden, this type of rock is formed.
What is sedimentary rock
100
A raised part of land usually with steep sides, that rises above the area around it.
What is a mountain
100
Three-fourths of Earth's surface is covered with this.
What is water
100
Earth's outermost layer
What is the crust
100
A material found in nature, and has never been alive.
What is a mineral
200
Heat and pressure can change different kind of rock into this type of rock.
What is metamorphic rock
200
A low area surrounded by mountains
What is a valley
200
About 97% of Earth's water
What is salt water
200
The middle and thickest layer of Earth
What is the mantle
200
Loose material that covers much of Earth's surface.
What is soil
300
This type of rock forms when melted rock from inside earth cools and hardens.
What is igneous rock
300
A large flat land area that is raised
What is a plateau
300
The part of Earth's surface that has a certain shape and is formed naturally.
What is a landform
300
These are caused by sudden movement of large sections of rock beneath the earth
What are earthquakes
300
The process of breaking up or wearing away rock
What is weathering
400
Obsidian is this type of rock
What is Igneous
400
A large flat area of Earth's surface
What are plains
400
Two different ways that maps show landforms
What are drawings and symbols
400
The remains of once living animals.
What are fossils
400
The process of carrying weathered rock from one place to another
What is erosion
500
A solid material made of minerals
What is rock
500
A deep valley that forms when rivers cut through layers of rock.
What are canyons
500
What Earth looks like from space
What is a blue marble
500
Earth's innermost layer
What is the core
500
Decayed remains of plants and animals found in soil.
What is humus