8R Test: Dynamic Earth in progress

What is the correct order (starting from the surface) of Earth's layers?

• crust, outer core, inner core, mantle
• mantle, outer core, inner core, crust
• crust, mantle, outer core, inner core
• outer core, inner core, crust, mantle

This is where new material is added on to plates.

• Convergent plate boundary

• Divergent plate boundary

• Transform plate boundary

Identify D

• Crust

• Mantle

• Outer Core

• Inner Core

In what order do the three types of seismic waves arrive at a seismograph?

• S wave, P wave, Surface wave
• Surface wave, P wave and S wave
• P wave, S wave and Surface wave
• P wave, Surface wave and S wave

What are seismic waves?

• Energy released by an earthquake in waves or vibrations
• The point beneath Earth’s surface at which rock under stress breaks and triggers an earthquake
• The point on the surface directly above the point at which an earthquake occurs
• The strength of an earthquake

What geologic process formed the Himalayas?

• two continental plates converging

• an earthquake in a subduction zone

• a tectonic plate moving over a hot spot

• movement at a transform fault boundary

What happens to temperature as we move from the crust to the inner core?

• Decreases
• Increases
• Nothing
• Decreases and then increases

S waves move through

• Solids only
• Liquids only
• Solids and liquids
• None of these

What formed the Hawaiian Islands?

• An island arc

• Peru-Chile Trench

• Mid Atlantic Ridge

• Hot Spot

The oceanic crust is made of?

• Granite
• Basalt
• Cookies
• Water