Earth Rapid Changes

Front

What is a rapid change?

Back

A rapid change is a change that happens quickly.

Front

What is a volcano?

Back

A volcano is an opening in Earth's crust through which hot ash, gases, and molten rock escape.

Front

How do volcanoes help build new land?

Back

Volcanoes help build new land by adding lava to Earth's surface.

Front

What can cause an island to increase in size quickly?

Back

Eruptions of a volcano can cause an island to increase in size quickly.

Front

What is the effect of a landslide on hillsides where people live?

Back

The effect of a landslide can be damaged houses.

Front

What natural event can shake the water and cause changes in the landscape?

Back

An earthquake can shake the water and cause changes in the landscape.

Front

What is the main cause of landslides?

Back

Heavy rain is a main cause of landslides.

Front

What happens during a volcanic eruption?

Back

During a volcanic eruption, hot ash, gases, and molten rock escape from the volcano.

Front

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

Back

A rapid change happens quickly, while a slow change happens over a long period of time.

Front

What is one way that waves can change the shape of land?

Back

Waves can erode land, changing its shape over time.