Plate Tectonics

Scientists believe the Earth's tectonic plates were arranged in one massive supercontinent called __________.

Many geologic features (such as mountains and volcanoes) form along tectonic plate boundaries.

How can volcanoes form at plate boundaries?

Oceanic crust will collide with continental crust. Oceanic crust will go beneath the other tectonic plate known as ____.

How can crust be created and recycled due to tectonic activity? (Use picture provided)

A ________ boundary occurs where two plates are pushing towards each other. This can form mountains like the Himalayas.

When plates move away from each other in the ocean, magma will cool, forming underwater mountain ranges called....

A ________ boundary occurs where two tectonic plates are moving away from each other.

The crust is made up of 2 types. (a) _______ crust is thinner and denser. (b) _______ crust is thicker and less dense.

The Theory of ________ was proposed by Alfred Wegener in 1912. It states that the continents move over time.

Tectonic plates are broken up pieces of the (a)________. These plates "float" on top of the moving (b)________.

________ in the mantle (specifically in the asthenosphere) cause the tectonic plates to move.

A ________ boundary occurs where two tectonic plates slide past each other. An example of this occurs in California.

The Indian Plate collided with the ________ Plate to form the Himalayas. (Use the picture below to help you.)

In the 1960s, evidence made scientists accept the Theory of _____. This theory took Alfred Wegener's ideas further.

A _____ can occur in the middle of a tectonic plate creating volcanoes like the Hawaiian Islands.