Dr. Greene Plate Tectonics & Earth Science 2019

Why are Index Fossils useful to geologists?Because they tell

The presence of the same _____ on several continents supports the idea of continental drift

The cycle of heating, rising, cooling, and sinking of magma is called a:

The layer of Earth does a tectonic plate ride on top of? 

Name the type of plates are colliding?

These type of waves move in the same direction as the energy released from an earthquake.

If the half-life of an unstable element is 5000 years, what % of the parent material will be left after 10,000 years

Where 2 plates continuously pull apart, which happens over time?

The circled area is

Isotopic dating enables geologists to determine?

The area in red represents?

This is the surface along which rocks break & move during an earthquake.

The youngest material of the ocean floor is found at:

The energy from earthquakes that moves through Earth layers

The Himalayan Mountains formed from a ____________ plate boundary.

An area where one plate slides under another and into the upper mantle.

Mountains, volcanoes, earthquakes, and new rock mostly occur:

The source of energy for convection currents comes from:

The San Andres fault occurs along this type of plate boundary.

This is made of the crust and part of the upper mantle.

Identify the type of plate boundary is shown in the diagram?

Two land forms that form at convergent plate boundaries include:

What is TRUE about Earth's plates? The plates are made of

Oceanic plates are pushed down into the upper mantle at:

Oceanic and continental plates differ in their:

What are the two sources of thermal energy in Earth's interior

The Earth’s plastic-like layer directly beneath plates is called:

Identify the landform or event is created at point B?

Coal has been found in the Arctic. What does the existence of Arctic coal tell scientists?

Evidence for the theory of plate tectonics & how does it indicate that the tectonic plates are moving

Identify the landform or event is point A?

Plates move apart at ____________ boundaries.

If an igneous rock cuts across a sedimentary rock, the igneous rock is

Identifythe type(s) of plates are pulling apart?

Name the landform(s)/event(s) are at point A?

The cause of the inner core to remain solid?

The movement shown in the map indicates that Africa’s continental crust is splitting apart in the East African Rift.

In this wave, wave action travels perpendicular or side to side to the direction of the energy.

This layer of the Earth is solid and made of nickel and iron.

Select the following answer that correctly describe properties of seismic waves