Gr. 4 ES Unit 6 Flashcard

Front

What is a tsunami?

Back

A tsunami is a series of large ocean waves caused by disturbances such as earthquakes, volcanic eruptions, or underwater landslides.

Front

What can tsunamis do?

Back

Tsunamis can destroy entire villages and other structures due to their immense power and height.

Front

What is a fault?

Back

A fault is a break in Earth's surface where huge slabs of rock slip past, move away from, or push against each other.

Front

Why are tsunamis dangerous near the shore?

Back

Tsunamis increase in height as they approach the shore, making them more dangerous.

Front

What is lava?

Back

Lava is melted rock that flows from a volcano onto Earth's surface.

Front

What is magma?

Back

Magma is molten rock located beneath the Earth's surface.

Front

What causes earthquakes?

Back

Earthquakes are caused by movements along fault lines in the Earth's crust.

Front

What is the difference between magma and lava?

Back

Magma is found beneath the Earth's surface, while lava is magma that has erupted onto the surface.

Front

What is an earthquake?

Back

An earthquake is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere.

Front

What are natural hazards?

Back

Natural hazards are extreme natural events that can cause damage to life and property, such as tsunamis, earthquakes, and hurricanes.