Word definitions
Word definitions: level 2
What's on the plate?
100

what is the definition for, "convergent"?

moving toward the same place or moving closer together.

100

what is a "Mesosaurus"?

Reptile fossil found in South America and Africa that lived about 300 million years ago

100

what is a subduction plate boundary?

when one plate moves another because tof differences in density.

200

what is the definition for, "divergent"?

moving apart in different directions

200

what is the definition of "continent"? 

Any of Earth's main continuous land areas. Such as North America or Africa

200

what is the "outer layer"?

Earths outer most layer of hard rock that is under soil and vegetation.

300

What does the word "landform" mean?

a natural feature of the Earth's surface

300
what is the definition of, "Rate"?

A speed at which something moves

300
what is the Theory of plate tectonics?

the theory that pieces of Earth's outer layer are in constant motion

400

what does the word, "fossil" mean?

the preserved remains or traces of an organism that lived in the past

400

what is a "Glossopteris"?

A small plant that is still found in South America, Africa and india
400
 what are plate boundaries?

a place where tectonic plates meet.

500
what does the word "cross section" mean?

a diagram that shows what something looks like

500
what is the definition of "analyze"?

to look at something carefully by attention to its parts.

500

what is a trench?

a extremely deep area in the ocean that are created by a subducting plate