Earthquakes and Volcanoes

Which is the fastest type of seismic wave?

• p-waves

• s-waves

• surface waves

The place where the earthquake is felt on the Earth's surface is called the...

• Epicenter

• Hypocenter (focus)

• Surface

• Crust

What is the instrument used to measure earthquakes?

• Seismograph

• Sling Psychrometer

• Spring Scale

• Balance

• Anemometer

The focus of an earthquake is

• The point below Earth's surface where rock first breaks
• The closest seismic station
• The place where the greatest damage occurs
• A fault

Earthquakes happen every day. Most are too small for humans to notice.

• True
• False

Before lava reaches the surface it is called

• rock
• magma
• volcanic ash
• liquid fire

At what type(s) of plate boundaries do most volcanoes form?

• convergent and transform
• convergent and divergent
• divergent and transform
• ocean and mountain

How do volcanoes form?

• in a region where a crustal plates move under another plate
• in forests
• high in the sky
• solar radiation

Hawaiian islands were formed over a....

• hot spot
• divergent boundary
• fault
• focus

Many earthquakes happen along the borders of...

• Countries

• Tectonic Plates

• Climate Zones

• None of the above.