what is a trace of an ancient organism preserved in rock

Wegner’s idea that the continents slowly moved over Earth’s surface became known as?

A canyon on the ocean floor at which the crust bends downward?

The process that continually adds new material to the ocean floor.

The process by which the ocean floor sinks into the mantle.

What are the 3 types of boundaries?

At ______ plates come together

What are breaks in Earth’s crust where rocks have slipped past each other are called

The lithosphere is broken into separate sections called

A(n) ___________ is a deep valley on land that forms along a divergent boundary.

The geological theory that states that pieces of Earth’s crust are in constant, slow motion is ____________

At a(n) ___________________, plates slip past each other.

Plates move apart along a(n) _______________.

What type of fault is diagram A?

What type of fault is Diagram B?

What type of fault is Diagram C?

what is stress that pushes masses of rock in the opposite direction, in a sideways movement.

A large area of flat land elevated high above sea level.

What type of Stress force and Movement along fault is Diagram A?

What type of Stress force and Movement along fault is Diagram B?

What type of Stress force and Movement along fault is Diagram C?

_______ are vibrations that are similar to sound waves and are caused by earthquakes?

Which type of seismic produces the most severe ground movements?

what is the thing that records ground movements caused by seismic waves.

what are the slowest seismic waves?

What is the point beneath Earth’s surface at which rock under stress breaks and triggers an earthquake?

What is the point on the surface directly above the point at which an earthquake occurs.

What happens to old oceanic crust as new molten material rises from the mantle?

Mechanical Weathering includes

Chemical Weathering includes

What is the definition Chemical Weathering?

What is the definition Mechanical Weathering?

What factors determine the rate of weathering?

_________ means that a material has spaces that allow water to seep through it.

The process by which ice widens and deepens cracks in rock is called _______________.

Another name for the B horizon is ________?

Soil that is rich in humus generally has _____ fertility.

_______ is the solid layer of rock beneath soil.

Soil _____ depends on the size of rock particles in soil.

The C horizon consists of weathered bedrock.

You can use the pH scale to measure how acidic a soil is.

Which soil layer contains little humus but much clay and other rock particles?

Which process forms humus?

What makes up soil besides bedrock particles, minerals, air, and water?

Which soil is best for growing plants?

The rapid downhill movement of a mixture of water, rock, and soil is?

Occurs when rock and soil slide quickly down a steep slope is?

Mass of rock and soil suddenly slips down a slope is?

The very slow downhill movement of rock and soil. Can even occur on gentle slopes is?

What force causes mass movement?

What three processes act together to wear down and build up Earth’s surface?

The agents of erosion lay down sediment in new locations in a process called?

The material moved by erosion is called

The process by which natural forces move weathered rock and soil from one place to another is

______________ includes several processes caused by gravity that move sediment downhill.

________ is the force that pulls objects downward.

Which type of mass movement happens very slowly?

In which type of mass movement can soils behave like a liquid and start flowing?

Out of these landforms which of these are formed by river erosion?

What are two landforms formed by deposition?

A bend in a river shaped like a loop is called a?

Where a stream leaves a mountain range you’ll find a _______________, a wide sloping deposit of sediment.

A(n) _______________ is a channel along which water is continually flowing down a slope

The water that moves over land and carries particles with it is called ______

A cone-shaped deposit that rises from the floor of a cave is known as a

A(n) _______________ is a deposit that hangs from the roof of a cave.

The term geologists use for underground water is?

A river’s _______________ is the flat, wide area of land alongside it.

What is a channel with continually flowing water that flows into a larger river called?

Which increases runoff?

What is a meander?