Understanding Earthquakes

What is the outermost layer of the Earth called?

• Tectonic Plate

• Mantle

• Core

• Crust

Which type of seismic wave is the fastest and can travel through both solid and liquid?

• Primary (P) waves

• Tertiary waves

• Secondary (S) waves

• Surface waves

What scale is used to measure the magnitude of an earthquake?

• Richter scale

• Beaufort scale

• Fahrenheit scale

• Decibel scale

What should you do if you are indoors during an earthquake?

• Stay in bed

• Drop, cover, and hold on

• Stand under a doorway

• Run outside immediately

What is one engineering technique used to make buildings earthquake-resistant?

• Adding more windows

• Building on a slope

• Using heavy materials

• Designing with flexible materials