Which of the following is the best estimate of how many plates make up the Earth’s crust?
In which layer of Earth does an earthquake begin?
Which land feature forms where two continental plates move toward each other?
Which event most likely caused the earthquake?
Two plates moved near each other.
Two plates moved against each other.
Two plates moved on top of each other.
Two plates moved away from each other.
What are broken-down pieces of rock called?
What is the name of the machine measures the total energy released during an earthquake?
When two oceanic plates begin to move apart what landform begins to develop?
What landform is caused by sediment deposited at the mouth of a river?
Which land feature is likely to form most quickly?
a volcano a rift valley
a chain of islands a mountain range
Shaking ground at a moving fault
The water in a fast-moving river causes rocks to bump and scrape against one another. What will happen to these rocks over time?
Which of the following landforms is the result of weathering?
canyon desert
forest mountain
The rigid, rocky layer of Earth; thin rigid rock layer
What process causes rocks to break down into smaller pieces?
Which statement best describes why a model is useful when studying plate movement?
Plate movement is difficult to observe in nature.
Plate movement can be viewed only from space.
Plate movement occurs only in remote areas of the world.
Plate movement happens too quickly to understand its effects.What process causes eroded sediments to be dropped off in another place?