Mcgraw Hill 4th Science Earthquakes

Which of the following is NOT a cause of an earthquake?

• Collapse of Cavern
• Eruption of Volcano
• Lightning Strikes
• Moving Tectonic Plates

What is the measure of the amount of energy released in an earthquake?

• Earthquake
• Epicenter
• Magnitude
• Seismogram

Which scale measures the intensity of the ground movement?

• Mercalli Scale
• Richter Scale
• Seismogram Scale
• Bernoulli Scale

What is a smaller earthquake that follows a larger earthquake?

• Aftershock
• Liquefaction
• Seismic Gap
• Tsunami

What is a large ocean wave that results from an underwater earthquake, landslide, or volcanic eruption?

• Aftershock
• Liquefaction
• Seismic Gap
• Tsunami

The outside layer of the earth is called ______________________.

• core
• crust
• mantle
• outer core

An instrument that detects and measures earthquakes is a 

• seismogram
• focus seismic map
• focus
• seismograph 

How much bigger is a magnitude 8 earthquake compared to magnitude 7 earthquake on the Richter Scale?

• 1 time bigger

• 10 times bigger

• 100 times bigger

• 1000 times bigger

The motion caused by earthquakes travels outward from the focus in the form of

• Electromagnetic waves
• Seismic waves
• Gravity waves
• Chemical energy

How many pets does Chelsea have?

• two

• none

• Defiantly more than two