Plate Tectonics Chapter 1- 6th Grade

The mesosaurus was a____________reptile

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

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?

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

Where does subduction occur?

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

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

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

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

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

An oceans with a lot of trenches will

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

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

Scientist Marie Tharp was mapping what?

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?

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

Alfred Wegener's hypothesis was rejected because:

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