Types of Rocks
Layers of the Earth
Landforms
Birthstones
Plate Tectonics
100
They are found inside rocks.
What are minerals?
100
The thinnest layer of the Earth
What is the crust?
100
Underground magma shoots out of its top.
What is a volcano?
100
The birthstone for September.
What is a Sapphire?
100
A natural disaster that is caused by an underwater earthquake when two plate collide.
What is a tsunami?
200
They are formed by heat and pressure added to other rocks.
What are metamorphic rocks?
200
It is made of a solid ball of iron.
What is the inner core?
200
The breaking down of rocks and soil into smaller pieces.
What is weathering?
200
A diamond
What is the birthstone for April?
200
The area in California where many plates touch. This causes many earthquakes.
What is the Ring of Fire?
300
They are found near volcanoes.
What are igneous rocks?
300
This is where magma that erupts from volcanoes exists.
What is the mantle?
300
The washing away of small pieces of rock and soil by wind, water, or ice.
What is erosion?
300
Opal
What is the birthstone for October?
300
The North American Plate
What is the name of the plate we live on?
400
Made of sand, dirt, soil, clay, and/or fossils.
What are sedimentary rocks?
400
This is the layer responsible for earth's magnetism.
What is the outer core?
400
A long ditch that usually has water running through it.
What is a canyon?
400
Pearl
What is the birthstone for June?
400
When two plates collide.
What is an earthquake?
500
A rock that contains a mineral called magnetite. It was used as a compass by ancient people.
What is lodestone?
500
The part of the crust beneath the ocean.
What is the oceanic crust?
500
A tall landform that is created when two plates bump against each other and both push upward.
What is a mountain?
500
Ruby
What is the birthstone for July?
500
The big piece of land that existed millions of years ago as one super-continent.
What is Pangea?
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