Earth's Structure

When continental plates under the sea are moving apart, it is called ___________________.

Eatrth's outer core is made of ___________________.

Rocks in South America and Africa contain the same kind of _____________?

Earth's plates move a few centimeters each year.

Which two whole continents lie north of the equator?

The word tectonics comes from a word that means ________________?

Fossils and rocks support the theory of _________________.

Which continents border South America?

Plate tectonics is the motion of Earth's oceans.

In seafloor spreading, continental plates move apart and form _______________.

The place where two of Earth's plates meet is ___________?

The continents and the land that forms under the ocean form the Earth's _________________.

Earth's _____________________ is harder and cooler than the lower mantle.

Long ago, all the land on Earth was one big continent called ______________

Which continent is west of Africa?

Is India north or south of the equator.

Is India north or south of Antarctica?

The land on Earth was once one big continent.

Something that is beneath the ocean is ______________the ocean.

A plate is part of Earth's crust.

Seafloor spreading helps cause continental drift.