Plate Tectonics/Earth's Spheres/Fossils

The thin layer of rock on Earth's surface is the

Earth's lithosphere is broken into separate sections called

Which process is responsible for the transfer of heat shown by the arrows in the beaker?

Subduction is

In addition to oxygen, which gases make up the largest percentage of Earth's atmosphere?

Fossils of abundant organisms which lived for only a short period of time are called

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

Type of rock formed when high pressure and heat act on existing rock, changing to a new form.

Fossils of the same organisms found in many different parts of the world provide evidence that

Which rock layer is the youngest in absolute age?

Earth's inner core is a dense, _____________, ball of metal.

Igneous rock that makes up most of the thinner, and more dense oceanic crust.

If shell fragments are found in a rock sample, it is most likely that the rock formed

Convection currents, which move the lithospheric plates, are found in Earth's

In which type of rock are fossils generally found?

What type of plate boundary is located where two plates move away from each other?

A vast, underwater mountain chain is called a(n)

A place where 2 plates slip past each other in opposite directions is a

Studies of earthquake waves have helped scientists determine the

The youngest rocks on the ocean floor are located

Pieces of Earth's crust are in constant slow motion caused by convection currents is the theory

Fossils preserved which are only evidence of ancient organism activity are called

When an oceanic plate and a continental plate converge, which of the following will happen?

Scientists rejected Wegener's hypothesis because he could not

In which sedimentary rock layer was the youngest fossil discovered?

In these rock layers, which layer contains the oldest fossil?

What is the process that breaks down rocks chemically and physically at Earth's surface?

Type of rock formed when layers of sediments were deposited, compacted and cemented together.

Wegener's theory that the continents are in constant slow motion and were once a supercontinent

Oceans, glaciers, lakes, and rivers are part of Earth's

An organism is more likely to become a fossil if is

Igneous rock which forms the thicker and less dense continental crust.

As oceanic crust moves away from the mid-ocean ridge

Which layer of Earth's interior is entirely liquid?

When two continental plates converge, what feature is likely to be formed?

Scientists believe that crustal plates move because of convection cells contained in Earth's

The process that transfers heat energy by direct contact.

The layered mixture of gases surrounding Earth is called the

Sedimentary, metamorphic and igneous rocks are classified as different because

Type of rock formed from hardened lava or magma.