Dynamic Earth

Why is the inner core solid despite high temperatures?

• high density

• high pressure

• high altitude

• high velocity

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

• mantle, outer core, inner core, crust

• crust, mantle, outer core, inner core

• outer core, inner core, crust, mantle

• crust, outer core, inner core, mantle

How do volcanic eruptions impact climate?

• They can reduce sunlight reaching Earth’s surface.

• Volcanic ash and sulfur gases may reach the upper atmosphere.

• Global temperature can drop by several tenths of a degree Celsius for years.

• All of the above

Name the chain of volcanoes around the Pacific Plate.

• Ring of Lava

• Circle of Fire

• Circle of Magma

• Ring of Fire

Volcanic eruptions can affect climate by reducing sunlight reaching Earth’s surface.

• True

• False

Water that goes underground is called ________.

• Groundwater

• Lake

• River

• pond

Ocean currents affect coastal regions by ________.

• creating tides.

• changing air temperatures.

• bringing warm water and nutrients to the surface.

Can volcanic ash and sulfur-rich gases in the upper atmosphere affect climate?

• True

• False

What are ions?

• Atoms

• Charged atoms

• Positive movements

• Radiates heat

The Four Spheres of Earth

• are all connected

• have nothing to do with one another

• exist on Venus and Mars

• don't affect human life