Layers of the Earth
What is the Thinnest Layer of the Earth?
The Crust
What are the two types of Earth's Crust?
What are Deep ocean valleys?
Trenches
What are mold fossil?
When an organism leaves an imprint in sediment that hardens into a rock
What is a smaller, larger or actual size version used to represent the actual object
model
Name the four layers of the earth.
Crust, Mantle, Outer Core, Inner Core
Which type of crust makes up most of the Earth's surface?
What are mountain ranges on the ocean?
Mid-ocean ridges
When a mold fossil gets filled with minerals is a what?
Cast Fossil
What are
One of the six large land masses on earth
There are 7 continents, Asia and Europe make up 1 land mass
Continent
What layer is
-The innermost layer of the Earth
-Made of solid metals – iron & nickel
Inner core
Which Crust is:
Thin 4-7 miles deep
Made mostly of basalt
Forms the ocean floor
Oceanic Crust
What part of the crust includes mountains and valleys?
Continental Crust
What are clues to the past that tell about once-living things?
Fossils
What is the melted rock that makes up the material in the mantle?
Magma
What Layer:
- The layer of Earth beneath the crust; made of molten rock or magma
-Thickest layer
Which Crust is
Thick 16-56 miles deep
Made mostly of granite
Continental Crust
What are scratches on rocks from glaciers moving across them?
Striations
What are glaciers?
a huge slow-moving sheet of ice
What is the study of Earth?
Geology
What Layer:
- The thin, rocky, outermost layer of the Earth
-Made mostly of granite (continental) & basalt (oceanic)
Crust
How are the Continental and Oceanic Crust similar?
They make up the outermost layer of the Earth
-Made of rock
-Have similar landforms (mountain = mid-ocean ridge)
Create a list of 3 different landforms.
Mountains, Plains, Plateaus, valley, hills, Islands, Glaciers, Volcanos, Cliff, Waterfall...Etc.
What are the clues we get from rocks?
the type of Rocks, the age of Rocks, Glacial Scratches, and Fossils
Name the 5 of the 7 continents.
Asia, Africa, North America, South America, Antarctica, Europe, and Australia