Show:
Landforms
Rocks
Minerals
Layers of the Earth
Feeling Lucky
100
The wearing away of rock and soil.
What is erosion?
100
Molten, liquid, rock material
What is magma?
100
This physical property of a mineral is tested by scratching the mineral with a fingernail, penny, or nail.
What is hardness?
100
The center of the earth.
What is the core?
100
This landform can be U-shaped or V-shaped.
What is a valley?
200
Mt. Shasta is an example of this kind of landform.
What is a volcano?
200
Rocks that are created in high temperatures (rock that has been "ignited").
What is igneous rock?
200
These are rich deposits of valuable minerals.
What is ore?
200
The thin, rocky, outer layer of Earth.
What is the crust?
200
The amount of matter an object has per unit of volume, or how closely packed an object's atoms are.
What is density?
300
A V-shaped valley is formed by this type of feature.
What is a river?
300
This type of rock has been squeezed, heated, or exposed to fluids, changing them to a new type of rock.
What is a metamorphic rock?
300
A streak plate is used to test what property of mineral powder?
What is color?
300
This section of the earth has many sub-layers, some of which are made of melted rock material.
What is the mantle?
300
The hardest mineral, rating a 10 on Mohs hardness scale.
What is a diamond?
400
The process that moves the surface of Earth to a higher elevation. (This is the same process that creates flat plateaus.)
What is uplift?
400
Fossils are often formed in this type of rock.
What is sedimentary rock?
400
Cleavage and fracture describe the way a mineral...
What is breaks?
400
The most dense layer of Earth.
What is the core?
400
The part of the crust that is covered by the ocean.
What is the Oceanic crust?
500
This mountain range in eastern California, formed by uplift and plate tectonics, is well known for it's glacial valleys and high mountain peaks.
What is the Sierra Nevada mountain range.
500
The series of rock processes that change one rock into another.
What is the rock cycle?
500
The term for the way in which a mineral's surface reflects light.
What is luster?
500
Pressure and temperature _____________, as you get closer to the Earth's core.
What is increase?
500
Bone is made of this mineral.
What is calcium?