Land forms
Earth quakes
Volcanoes
Rock cycle
Minerals
100
What are landforms caused by?
Earthquakes or by weathering and erosion
100
What are earthquakes?
A sudden violent shaking of the earths crust?
100
What is a volcano?
A mountain built of lava, ash, and rocks in which lava can flow slowly or with great force
100
What is the rock cycle?
The earths process of changing one rock into another type of rock
100
What are the rarest minerals?
Diamonds
200
What are some types of landforms?
Mountains, hills, valleys, canyons, deltas
200
What are plates?
Sheets of the rock that make up the earths outer crust
200
What are shield volcanoes?
Are broad and white and not explosive
200
What are the 3 main different types of rocks?
Sedimentary, Igneous, Metamorphic
200
What is a mineral?
Natural occuring element that is not a plant or a animal
300
What is a landform?
Any natural shape found on earths surface
300
The shaking movement that is sent out from a earthquake
Seismic waves
300
What is a Composite volcano?
Has explosive eruptions and form wide mountains
300
How are sedimentary rocks formed?
Sedimentary rocks are formed by sediment that is deposited over time, usually as layers at the bottom of lakes and oceans.
300
How do minerals form?
When magma cools down, its molecules form crystals
400
What cause erosion?
Wind, moving water, gravity
400
A seismic wave that travels over the surface of the earth
Surface wave
400
This kind of volcano is the most violent and surrounded by hills of ash
Ashflow Caldera
400
These kinds of rocks have been modified by heat, pressure and chemical process usually while buried deep below Earth's surface
Metamorphic rocks
400
What is the hardest mineral?
Crystals
500
What is formed when two plates push into one another?
Mountains
500
What tectonic plate is North America on?
North American plate
500
This kind of volcano forms quickly and sprays gas and lava into the air
Cinder volcano
500
These kinds of rocks are formed from the solidification of molten rock material
Igneous rocks
500
What is the mineral that makes salt?
Sodium
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