Rocks
Name 3 types of rocks
Igneous, Sedimentary, Metamorphic
Name the three layers of the earth
Core, Mantle, Crust
What landform is low and flat. We live in one.
Valley
Why do Earth's plates move?
The mantle underneath is not solid, and when it moves and shifts, the plates on top do too.
Can a rock become any other type of rock?
Yes
Which layer is in the very center?
The core
These two landforms are formed from moving plates.
Mountains and Volcanoes
What is the ring of fire?
A ring of volcanoes around the Pacific Ocean on plate boundaries.
What is the system called when one rock can become another?
The Rock Cycle
Which layer of the earth is the thinnest layer?
The Crust
What is it called when wind and water tear away little bits of rock from landforms over millions of years? Two words.
Weathering and Erosion
Moving plates can cause this to happen. 4 Answers
Earthquakes
Volcanoes
Mountains
Islands
Explain how a sedimentary rock can become an igneous rock.
The rock melts from lava/magma and when it cools and hardens again it is now an igneous rock.
Which layer moves like putty?
The Mantle
This landform is caused by rivers running through rocks over millions of years.
Canyon
The crust is made of moving pieces of earth, called plates.
What are the tiny rocks that get carried away by erosion and weathering called?
Sediment
Why is the earth magnetic?
The core is made of different metals.
What landform is flat and cover in grassland?
Plains
Millions of years ago, when all of the plates were together as one, it was called...
Pangea