Earths Layers
What is the top most layer of Earth?
Continental Crust
The process which continents slowly move across Earths surface?
Continental Drift
Push and Pull the ground like an Accordion?
Primary (P) Waves
Which two continents have the most obvious fit of coastlines?
South American & Africa
How hot is the sun?
9,941 Degrees Fahrenheit
What is the layer closest to the core?
Inner Core
The longest mountain chain under water?
Mid Ocean Ridge
Shake the ground side to side?
Secondary (S) Waves
Where do you find Mountains that are similar to the Appalachians in the USA?
Greenland, Europe, and Africa
How many miles is the moon from the Earth?
238,900 Miles
What is the crust above the Inner Core?
Outer Core
Depression in the Ocean Floor where subduction takes place?
Divergent Boundary
Causes the ground to roll up and down and side to side?
S Waves
Why don't the present shapes of the continents fit perfectly together?
Pieces of land got knocked off and eroded off
How far is the Sun from Earth?
93.98 Million Miles
What layer is above the Middle Mantle?
Upper Mantle
The process called _________ destroys old oceanic crust?
Subduction
Lava Flow?
Lava flows can knock down and burn anything
Which fossil occurs on the most landmass?
Glossopteris
How hot is Earth's core?
9,300 Degrees Fahrenheit
What type of currents are in the Middle Mantle?
Convection Currents
Heat from Earths interior causes convection currents in Earths _______
Mantle
Pyroclastic Flow?
A dense cloud of super hot gases & rock fragments that race quickly down a volcano
Where are the fossils of the Glossopteris found today?
South America, Africa, India, Antarctica, and Australlia
What was the temperature on Earth's coldest day?
- 128 Degrees Fahrenheit