Chapter 10 Review

Elastic strain occurs under which conditions?

• the rocks are very strong
• the rocks return to the original state
• the stresses are small
• all of the above

What does subduction do?

• lifts new rock to the surface
• erodes surface rock making sediment
• takes rock into Earth where it will be melted
• places tension on rocks so that they pull apart

There was a clump of snow on the sidewalk. Elana stomped on it and felt it flatten. This type of stress is called _____.

• tension
• shear
• erosion
• compression

Which process takes rock to the inside of Earth?

• crystallization
• weathering
• subduction
• uplift

What happens to the continental crust under a mountain as the mountain erodes?

• It rises.
• It slides horizontally.
• It sinks.
• It does not change.

When does plastic strain occur?

• when rocks are very strong
• when rocks are hot
• when rocks are weak
• b or c

Which of the following explain(s) the existence of the rock cycle?

• plate tectonics
• uplift
• subsidence
• all of these

The youngest rocks on the ocean floor are located _____.

• near continents
• at mid-ocean ridges
• far from mid-ocean ridges
• near Asia

Scientists have observed that the plates move at rates ranging from 1 cm to 9 cm per _____.

• century
• decade
• day
• year

Plates move apart at _____ boundaries.

• convergent
• stable
• divergent
• transform