Plate Tectonics Chapter 1- 6th Grade

Where were the coal beds that Wegener believed lined up perfectly with each other?

Where does subduction occur?

The mesosaurus was a____________reptile

An oceans with a lot of trenches will

Scientist Marie Tharp was mapping what?

The mesosaurus is an example of how _____ were evidence for continental drift?

The crust far away from a ridge is....

What device did Marie Tharp use when she was mapping the ocean floor?

True or False: Crust that is close to the mid ocean ridge is old and cool.

_____form long chains of mountains that rise up from the ocean floor

Alfred Wegener's hypothesis was rejected because:

A_____is any trace of an ancient organism that is preserved in rock

What were the TWO land features Wegener used to support his theory of continental drift?

What comes up from the mid ocean ridge to help in creating new crust?

What is the name of the super continent from about 300 million years ago?

"Mid ocean ridges continually add new material to the ocean floor as old crust gets pushed out"

Who's hypothesis was "all continents were once together and have slowly drifted apart"

New crust is _____at mid ocean ridges and _____ and deep ocean trenches

True or False: The longest mountain ranges in the world are located on land

As you move closer to the equator....your temperature does what?