Earthquakes

Fill in the blank: Earthquakes happen along faults, cracks that are all over the surface of ______.

• Earth.

• Mars.

• Venus.

• Jupiter.

Fill in the blank: Tsunamis, giant waves, can be triggered by powerful ______.

• earthquakes.

• volcanoes.

• hurricanes.

• tornadoes.

Fill in the blank: A 'major' earthquake on the Richter Scale can cause damage up to ___ miles from the epicenter.

• 100 miles (160 km)

• 50 miles (80 km)

• 200 miles (320 km)

• 10 miles (16 km)

Some ways people can prepare for an earthquake are:

• Staying indoors and taking cover under sturdy furniture

• Ignoring safety drills

• Standing near windows

Giant waves that can be triggered by earthquakes.

• tsunamis

• hurricanes

• tornadoes

• cyclones

Giant sheets of rock that move deep below Earth's surface.

• tectonic plates

• sedimentary layers

• igneous formations

• metamorphic rocks

The point on Earth's surface right above where an earthquake starts.

• epicenter

• hypocenter

• fault line

• seismic zone

The Ring of Fire is an area around this ocean.

• Pacific

• Atlantic

• Indian

• Arctic

The power of an earthquake.

• magnitude

• intensity

• frequency

• duration

Waves that travel outward from an earthquake's focus.

• seismic

• oceanic

• sound

• light