Weathering
The breaking and wearing away of rocks by wind, water, ice and chemical change is called...
If erosion is the only force acting on a mountain, what happens to the mountain?
It becomes smaller.
Volcanoes form what?
Mountains
What are waves of energy that pass through Earth caused by a sudden shift of the crustal plates along fault lines.
Earthquakes
What forces make buttes?
The Statue of Liberty is green due to________ weathering.
Chemical
What will the signs of erosion be on a rock for water erosion?
smooth, rounded rocks
Hot rock deep in the earth expands and is forced out the opening of a volcano. As the rock cools it may form what?
Mountains
What can be created from earthquakes?
Mountains, faults
What is the upward movement on earth's crust?
Uplift
Weathering breaks large rocks into pieces called?
Sediments
Bobby went fishing at one of his favorite spots. When he got there the channel of the river had changed. Why?
Erosion by rivers can change their course.
What are openings in the Earth's crust that allow hot, melted rock, ash and gases to erupt outward.
Volcanoes
What is it caused when an earthquake happens in the ocean?
Tsunami
How many years did it take erosion to uncover the rocks of the Grand Canyon?
thousands of years
Physical or chemical weathering breaks rocks into smaller pieces?
Physical
The movement of earth materials from one place to another.
Active
What do they measure earthquakes on?
1-10 on the Richter scale
What is it called when weathered rocks, soil and sediments are moved by erosion to a new location and left there?
Deposition
Minerals in the rock change their makeup. Is it chemical weathering or physical?
Chemical
What is the most powerful erosional force?
Water
What do you call a volcano that has no activity?
Extinct
What are the two types of waves in an earthquake?
Body waves, surface waves
What moves sediments to a new location?
Win and water