Plate Tectonics/Alfred Wegener/Rock Assessment

Front

What are faults?

Back

breaks in the earth's crust

Front

What is the process of seafloor spreading?

Back

when the seafloor separates apart

Front

What device is used to map the ocean floor?

Back

sonar

Front

This type of plate boundary is when the plates move away from each other.

Back

divergent

Front

This type of plate boundary is when the plates come together.

Back

convergent

Front

This type of plate boundary is when the plates slide past each other.

Back

transform

Front

This is the supercontinent that existed 300 million years ago.

Back

pangea

Front

These are the sections that fit together along cracks in the lithosphere.

Back

plates

Front

Which of the following is a common characteristic of igneous rocks? Options: layers of sediment, crystalline structure, fossils, formed from compaction

Back

crystalline structure

Front

The rock type formed by heat and pressure altering pre-existing rocks is known as:

Back

metamorphic rock