EARTHQUAKES, VOLCANOES AND NATURAL RESOURCES

The center point on the surface of an earthquake represented by letter R is called what?

• Center point
• Focus
• Epicenter
• Seismic waves

Where is the point at which the first movement occurs during an earthquake? Reperesented by letter S

• Epicenter
• Focus
• Fault
• Plate

What is a break in the rock layers called?

• Earthquake
• Epicenter
• Fault
• Focus

What is the difference between magma and lava?

• lava is magma but it is on the surface of the Earth
• lava is the chamber that magma flows
• lava is the Earth's crust

What is subduction?

• one plate collides with another
• one plate destroys another
• one plate goes beneath another
• one plate divides another

What types of waves are released from an earthquake?

• Energy Waves
• Sonic Waves
• Seismic Waves

Which travels fastest, always being the first detected by seismic stations?

• P waves
• S waves

An instrument that detects and measures earthquakes is a 

• seismogram
• focus seismic map
• focus
• seismograph 

Earthquakes under the water can cause _________________________________.

• tornadoes
• tsunamis
• lightening
• hailstorms

Many earthquakes happen along the borders of...

• Countries

• Tectonic Plates

• Climate Zones

• None of the above.