Natural Disasters Quiz

What saved the Greek city of Potidaea from the Persian soldiers in 479 BC?

• Tidal wave

• Tsunami

• Volcanic eruption

• Earthquake

What is the main cause of a tsunami?

• Gravitational forces of the Sun and Moon

• Submarine landslide

• Tectonic plate movement

• Wind

What is the speed of a tsunami when it is far from shore?

• 300 miles per hour

• 500 miles per hour

• 100 miles per hour

• 200 miles per hour

What happens to a tsunami when it reaches shallow water?

• Its speed increases

• Its height decreases

• Its speed slows down and its height rises

• It disappears

What was the death toll of the 2004 Indian Ocean tsunami?

• 200,000

• 150,000

• 100,000

• 50,000

What caused a nuclear disaster at Japan's Fukushima Power Plant in 2011?

• Earthquake

• Tsunami

• Volcanic eruption

• Submarine landslide

What is the focus of many scientists and policy makers in protecting against tsunamis?

• Building sea walls

• Early detection and global communication networks

• Diverting the water with flood gates

• Stopping tsunamis with channels

What is the safest course of action when facing a powerful natural disaster like a tsunami?

• Ignoring the warning signs

• Building stronger structures

• Early detection and evacuation

• Attempting to stop the disaster

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

• Tsunamis are unrelated to tidal activity

• Tsunamis are caused by wind

• Tsunamis have a trough and a crest

• Tsunamis move at a slower speed

What is the meaning of the word 'tsunami' in Japanese?

• Ocean wave

• Underwater energy

• Harbor wave

• Tidal wave