The record of ancient magnetism preserved in rock

A cloud of gas or dust in space

Two plates move away from the axis of a mid-ocean ridge

The idea that continents have moved and are still moving across Earth

The force that downgoing plates apply to oceanic lithosphere at a convergent margin

Two plates slide past each other on a vertical fault surface

The process by which one oceanic plate bends and sinks down into the asthenosphere beneath another plate

The layer of the mantle that is relatively soft and can flow when acted on by force

The concept that planets grow out of rings of gas, dust, and ice surrounding a newborn star

The relatively rigid, nonflowable, layer of the Earth, constituting the crust and the top part of the mantle

What did Alfred Wegener name the Supercontinent?

What was the first element to form after the Big Bang?

The heaviest elements require more violent circumstances for form - ?

In the beginning, Earth's internal structure was fairly ______________.

The most common minerals in Earth contain:

What type of crust is thicker (35-40 km)?

Volume Speaking - what is the largest part of Earth?

The mantle is "soft" enough to flow - therefore it _____________ like water!

The flow of the outer core generates the Earth's _______________ field.

What is NOT a piece of Wegener's evidence for continental drift?

Convergent boundaries create what type of landforms?

Transform boundaries create what type of landforms?

What volcanoes are examples of hot spots?

How fast do plates move each year?

What is the #1 cause of earthquakes?

This is what type of seismic wave?

This is what type of seismic wave?

Which seismic wave arrives first? (faster)

All magnitude scales are ________________, meaning that an increase one unit of magnitude represents a tenfold increase

Each year, how many earthquakes are recorded and located in Western Canada?

What plate is located west of Vancouver Island - all the way to Northern California?

What is a factor that determines the type of seismic ground motion at a building?

What type of buildings experience greater earthquake forces?

As you go down into the Earth, temperature ___________________ with depth.

True or False. Magnet north is the same and the geographic north.

What is the “age” of oceanic crust at mid-ocean ridges?

Most above sea-level volcanoes are situated in the volcanic arcs that border…..??

The following diagram is called what?

The following diagram is called what?