Front

Plates slide past one another at _____

Back

Transform boundaries

Front

The crust and the upper mantle make up Earth's ______

Back

Lithosphere

Front

Plates move apart at _______ boundaries

Back

Divergent boundaries

Front

______ is the force that pulls rocks apart

Back

Tension

Front

The presence of the same ______ on several continents supports the hypothesis of continental drift

Back

both a and b (rocks and fossils)

Front

What is the outermost layer of the Earth called?

Back

Crust

Front

What is the layer of the Earth beneath the crust?

Back

Mantle

Front

What type of boundary occurs when two plates collide?

Back

Convergent boundary

Front

What is the term for the movement of tectonic plates?

Back

Plate tectonics

Front

What is the name of the supercontinent that existed millions of years ago?

Back

Pangaea