Rapid changes

Front

What is a U-shaped Valley?

Back

A U-shaped valley is a valley formed by the erosion of a glacier, characterized by its U-shaped cross-section.

Front

What natural disaster is caused by underwater earthquakes?

Back

A tsunami is a natural disaster caused by underwater earthquakes, leading to large ocean waves.

Front

How long does an earthquake typically last?

Back

An earthquake typically lasts a few seconds.

Front

What is a landslide?

Back

A landslide is the rapid movement of rock, earth, or debris down a slope.

Front

What is a rapid change in the environment?

Back

A rapid change in the environment refers to sudden events like earthquakes, landslides, or tsunamis that alter the landscape quickly.

Front

What is the difference between a rapid change and a slow change?

Back

A rapid change occurs quickly (like an earthquake), while a slow change takes a long time (like erosion).

Front

What causes a glacier to form?

Back

A glacier forms from the accumulation and compaction of snow over many years.

Front

What is the main characteristic of a canyon?

Back

A canyon is a deep valley with steep sides, often formed by river erosion.

Front

What is the role of wind in shaping the landscape?

Back

Wind can erode and shape landforms, but it is less effective than water or glaciers in creating valleys.

Front

What is an example of a slow change in the environment?

Back

An example of a slow change is the gradual erosion of rocks by water over time.