earthquake 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
• Tetonic Plates
• Climate Zones
• None of the above.

What are earthquakes?

• The shaking that results from the movement of rock beneath Earth's surface

• Masses of earth sliding down cliffs or mountains

• A rotating column of air causing mass destruction

• A gigantic wave

What causes earthquakes?

• Millions of people jumping at once

• The earth rotating

• The movement of plate tectonics

• Gravity

Which scale measures the magnitude, or size, of an earthquake?

• Mercalli

• Richter

• weight

• density

What scale do scientists use to measure the intensity of an earthquake?

• Haynes scale

• Balance Scale

• Richter Scale

• Seismoscale

What type of wave is pictured?

• Transverse wave

• Longitudinal wave

What kind of wave is pictured below?

• Transverse wave

• Longitudinal wave

[Terra]

How would you describe the movement of a transverse wave?

• Up and down
• Back and forth
• In zigzags
• Straight