Term
|
Definition
| The rocky layer of the Earth that is about 5 to 70 kilometers thick. |
|
|
Term
|
Definition
| The part of the crust that makes up the continents. It is 20-70 kilometers thick and mostly composed of granite. |
|
|
Term
|
Definition
| The part of the crust that is under the ocean. It is 5-10 kilometers thick and is mostly composed of bassalt. |
|
|
Term
|
Definition
| The second layer of the Earth that is 2900 kilometers thick and 2800-3200 degrees Celsius. It is composed mostly of molten rock called magma. |
|
|
Term
|
Definition
| The rocky top part of the mantle and lower part of the crust that shifts on top of the Asthenosphere |
|
|
Term
|
Definition
| Another layer of the mantle that is a lot like Silly Putty in consistency. The Lithosphere glides on this layer. |
|
|
Term
|
Definition
| This layer is 2250 kilometers thick and is 4000 to 5000 degrees Celsius. It is composed of molten iron and nickel. |
|
|
Term
|
Definition
| The middle of the Earth's layers. It is 1280 kilometers thick and can reach temperatures up to 6000 degrees Celsius. it is said that it is solid because the pressure from the other layers is so great. It also creates the Earth's magnetic poles when the Outer Core's flow spins the Inner Core. |
|
|
Term
|
Definition
| A force that can destruct Earth's features. |
|
|
Term
|
Definition
| A force that can build up more of Earth's features |
|
|
Term
|
Definition
| Land masses that we live on. They can be 20 to 70 kilometers thick. |
|
|
Term
|
Definition
| Waves crated by earthquakes or bomb blasts. Scientists learned about the inside of the Earth by setting off Seismic Waves From bombs. |
|
|
Term
|
Definition
| 1 of the 3 main types of stress. It squeezes 2 rocks like you squeeze mud in your hands. |
|
|
Term
|
Definition
| Uneven heating in the mantle Causes denser materials to fall into the mantle and less dense materials to rise to the crust. The less dense material becomes denser and takes place of the dense material that turned less dense. This process repeats. |
|
|
Term
|
Definition
| The 2nd of the 3 main stress types. Shearing is when 2 rocks collide at opposite horizontal directions, causing a fold in the crust. |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| Large portions of our crust that ride on the Asthenosphere |
|
|
Term
|
Definition
| The 3rd of the 3 main types of stress. Tension is when a rock is pulled apart and becomes thick on the ends and thin in the middle, like when you pull apart a pice of clay |
|
|
Term
|
Definition
| The giant Super-Continent that was all of the Earth's continents combined in 1 when the Earth was formed |
|
|
