A rock's _________ is the look and feel of the rock.
What is texture?
100
__________ are natural features that are created on the Earth's surface from a geologic process.
What are landforms?
100
Earth materials that are eroded and carried away by water and wind are called __________.
What are sediments.
100
The name of a type of rock that is made of small particles of sand and/or other rocks is called ____________.
What is sandstone?
100
__________ is a specific type of rock that forms from layers of mud and/or clay hardening over time.
What is shale?
200
The texture of a rock is determined by the size and shape of its _____________.
What are grains?
200
The walls of the Grand Canyon appear to have stripes because they are different __________.
What are layers of rocks?
200
A(n) ____________ occurs when rocks collide into each other and break into small pieces.
What is an abrasion?
200
You'd find mostly this type of sediment at the end of a very long river. A. Cobbles, B. Sand. C. Pebbles, D. Silt
What is Silt?
200
This specific type of rock has a chemical reaction with hydrochloric acid.
What is limestone?
300
All rocks fit into these three groups.
What are sedimentary, igneous and metamorphic?
300
A low lying area of the Earth's surface where sediment is deposited and settles is called a __________.
What is basin?
300
_________ occurs when particles or rock are weathered, eroded and then settle into a basin.
What is deposition?
300
Which came first, sand or sandstone?
What is sand?
300
This states that the lower a rock is in horizontal layers, the older it is.
What is the law of superposition?
400
The color of a rock can tell a geologist about its ____________ composition.
What is mineral?
400
A ____________ is a large, nearly level area of land that is higher than the surrounding area.
What is plateau?
400
The breaking down of rocks into smaller pieces in a variety of ways is called _________.
What is weathering?
400
The final stage in the formation of a sedimentary rock is __________.
What is cementation?
400
When mixed with hydrochloric acid, the __________ in the rock reacts and releases carbon dioxide bubbles.
What is calcite?
500
In the Wentworth Scale of Rock sizes a piece of clay is any rock less than __________. Your choices are A. 0.4 mm, B. 0.04 mm, C. 0.004 mm or D. 0.0004 mm.
What is 0.004 mm?
500
This type of limestone made up layer 4 of the Grand Canyon diagram we observed. A. Kaibab, B. Toroweap, C. Red wall, D. Muav.
What is Muav Limestone?
500
The organic matter that is found in soil made of dead plants and animals is called _________.
What is humus?
500
What is the major factor in the formation of the Grand Canyon?