Chapter 5 Assessment Review 6th Grade

Old oceanic crust is more dense than new oceanic crust because it is

When you touch a hot pot or pan, energy moves from the pot to your hand. This is called

The process by which the ocean floor sinks beneath a deep-ocean trench and back to mantle

The place where two plates come together is known as a

Geological theory that states that pieces of Earth's lithosphere are in constant, slow motion

What is Pangaea?

Mid-ocean ridges are

Earth's mantle is

Earth's magnetic field results from movement in the

Scientists think that convection currents flow in Earth's

What did scientists in a submersible see when they observed the mid-ocean ridge?

What technology did scientists use in the mid- 1900's to map the mid-ocean ridge?

Which type of evidence was NOT used by Wegener to support his continental drift hypothesis?

Heat transfer within a fluid takes place by

Using data from seismic waves, geologists have learned that Earth's interior is made up of

Any trace of an ancient organism that has been preserved in rock is called a

When the heat source is removed from a fluid, convection currents in the fluid will

Holes drilled several km into Earth's crust provide direct evidence about Earth's interior by

Most geologists rejected Wegener's idea of continental drift because

According to Wegener's hypothesis of continental drift

A place where two plates slip past each other, moving in opposite directions, is known as

A collision between two pieces of continental crust at a converging boundary produces a

Scientists discover that rocks farther away from the ridge were older than those near it?

Geologists obtain indirect evidence about Earth's interior by

The transfer of energy through empty space is called

Earth's inner core is

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

In sea-floor spreading, molten material rises from the mantle and erupts

Most geologists think that the movement of Earth's plates is caused by