Fast and Slow Changes to Earth's Surface

Front

What is a Tsunami?

Back

A large ocean wave that can strike the land.

Front

What is a flood?

Back

Overflow of water from lakes, rivers, and the ocean, usually because of heavy rains.

Front

What are signs that a landslide is starting?

Back

New cracks in the sidewalk, doors or windows jam or stick, sounds of trees cracking or large rocks hitting together.

Front

Where do most earthquakes happen?

Back

The borders of the earth's tectonic plates.

Front

What is another name for a landslide?

Back

Mudslide, avalanche, rockfall (but not waterslide).

Front

What causes a flood?

Back

Heavy rains that lead to overflow of water from lakes, rivers, and oceans.

Front

What is a landslide?

Back

When a large amount of rocks and soil move downhill quickly.

Front

What is an earthquake?

Back

A violent shaking of the earth's crust.

Front

What is a mudslide?

Back

A type of landslide that involves mud and debris moving down a slope.

Front

What is the difference between a tsunami and a regular wave?

Back

A tsunami is a large ocean wave caused by underwater disturbances, while regular waves are caused by wind.