Natural Disasters

Fill in the blank: A volcano is an opening in the Earth that allows molten rock, called ______, from inside the earth to escape.

• magma

• lava

• ash

• steam

An earthquake is:

• a natural disaster caused by the movement of tectonic plates.

• a type of weather phenomenon.

• a man-made event.

• a type of volcanic eruption.

Fill in the blank: A ______ measures the size of an earthquake.

• seismograph

• thermometer

• barometer

• hygrometer

True or False: Earthquakes and volcanoes are commonly found along plate boundaries.

• True

• False

What causes tsunamis?

• Tsunamis are caused by solar flares.
• Tsunamis are caused by heavy rainfall.
• Tsunamis are caused by wind storms.
• Tsunamis are caused by underwater earthquakes.

How is the magnitude of earthquakes measured?

• Richter scale

• Mercalli scale

• Beaufort scale

• Fujita scale

How is the magnitude of tornadoes measured?

• Fujita Scale

• Richter Scale

• Beaufort Scale

• Saffir-Simpson Scale

How is the magnitude of hurricanes measured?

• Saffir-Simpson scale

• Richter scale

• Beaufort scale

• Fujita scale

Meteorologists use ______ to make predictions about weather systems.

• satellites

• crystal balls

• tarot cards

• tea leaves

What is this area called?