Sima, Oceanic Crust - Geology For Kids

Movie Here

Geology For Kids , The Study of Our Earth

.

HOME .::. GEOGRAPHY .::. GEOGRAPHY GAMES

GEOLOGY .::. GEOLOGY GAMES

Which Geology Topic Would You Like To Learn About?

Chapter One - Examining The Soil

Chapter Two - Earth, Rocks, And Landforms

Chapter Three - The Earth Inside Out

The Earth, Inside Out
The Earth's Crust
Sima, Oceanic Crust
Sial, Continental Crust
Isostasy
Pangaea
Plate Tectonics
Plate Boundaries
Divergent Boundaries
Convergent Boundaries
Transform Boundaries
Volcanic Hot Spots
Volcanism
Extrusive Volcanism
Eruption Types
Volcanic Activity
Volcanoes And Plant Life
Other Volcanic Activity
Volcanoes And Land Formation
Lava Flows
Volcanic Peaks
Calderas
Volcanic Necks

Chapter Four - An Introduction To Erosion

Chapter Five - Erosion By Water Processes

Sima – Oceanic Crust

The ocean floor is made primarily of extremely dense rock which scientists call sima. Sima is made out of two basic substances. These substance are silica, and magnesium.

Sima - The Ocean Floor

Sima tends to be younger than the rocks found on continents. Scientists believe that a layer of sima also underlies the continents, so that it is below them.