VOLCANOES
EARTH'S LAYERS
3 KINDS OF ROCKS
EROSION
MORE FUN FACTS
100
Inside a volcano, there is very hot, melted rock called this.
Magma
100
The surface of the Earth (the layer we live on) is called the Earth's ___________________.
Crust.
100
These are the Earth's 3 kinds of rocks.
Igneous, Sedimentary, and Metamorphic
100
What are the 3 main kinds of erosion?
Ice, Water, Wind
100
The process of rocks changing is called the _________ ___________. (2 words)
rock cycle
200
When a volcano _________________, magma pours out of the volcano.
erupts
200
The crust is made of ______________.
rock
200
Lava or magma makes this kind of rock.
Igneous
200
Erosion by water or ice can create a ____________, by taking away the land between hills or mountains.
valley
200
Sandstone is made by layers of ___________.
sand
300
When magma pours out onto land, it is called this.
lava
300
The second layer of the Earth is called the ________________________.
Mantle
300
This kind of rock is formed by layers of sediment.
Sedimentary
300
Sometimes wind erosion can create a ________ in a dessert or sandy area.
dune
300
True or False: Volcanoes usually erupt about once a day.
False!! Some take years to erupt.
400
True or False: Volcanoes are located on the Earth's crust.
True!
400
The hottest layer of the Earth, all the way in its center, is called the ____________ ___________.
Inner Core
400
These type of rocks used to be a different type of rock, but they changed into a new rock.
Metamorphic
400
Water is the most common cause of erosion. For example, the __________ _____________ in Arizona is an example of water erosion.
Grand Canyon
400
This is a print of an animal or plant found in or on a rock.
fossil
500
When lava cools, it turns into hard rock that looks like black glass, called ________________.
obsidian
500
_____________________ make up rocks. One example is pink quartz. (Hint: Begins with an 'M'.)
Minerals
500
Obsidian is an example of this kind of rock.
Igneous
500
_______________ are huge sheets of ice that move and change land in different ways.
Glaciers
500
This is made up of small pieces of rock, shell, bones, and parts of dead animals and plants.
sediment
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