Chapter 2 Earthquakes

During a science experiment at school, Ava and Arjun noticed that the first type of seismic waves to arrive at their seismograph, which moved by compressing and expanding the ground like an accordion, are called

• S waves.

• P waves.

• surface waves.

• Mercalli waves.

Ava, Mason, and Avery were studying about natural disasters. They came across the term 'earthquake'. Mason suggested that it is when the earth causes an upward thrust in the epicenter. Avery thought it is when the earth moves up and down along the ocean floor. Ava believed it is when tectonic plates move against each other causing the earth to move.  Who among them is correct?

• Mason

• Avery

• Ava

• None of them

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Sophia, Henry, and William were discussing about earthquakes in their geography class. They were curious to know who developed the procedure used to measure the size of an earthquake. Can you help them?

• Edward Sheridan

• James Hutton

• Charles Richter

• Art Smith

Mason, David, and Abigail are studying for their geography test. They come across a question about a scale used to measure the magnitude of earthquakes. What is this scale called?

• Modern Magnitude Scale

• Mercalli Scale

• Richter Scale

• None of the above.

James, Ethan, and Elijah were studying about earthquakes in their geography class. They learned that many earthquakes happen along the borders of...

• Countries

• Tectonic Plates

• Climate Zones

• None of the above.

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Arjun, Aria, and Zoe were discussing the aftermath of an earthquake. They concluded that one of the results of an earthquake can be...

• Landside

• Tsunami

• Property Damage

• All of the above.

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Emma and Lily are studying plate tectonics. They come across a scenario where two plates move toward each other. What is this scenario known as in geology?

• When two plates move away from each other.

• When two plates move toward each other.

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Scarlett, Lily, and Aiden are on a field trip to a science museum. They come across an instrument that detects and measures earthquakes. What is this instrument called?

• seismogram

• focus seismic map

• focus

• seismograph 

Evelyn, Scarlett, and Kai were studying about earthquakes in their geography class. They learned that most earthquakes happen along the _________________. 

• coast

• faults

• desert

• directions

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James, Avery, and Henry were discussing natural disasters during their science class. They learned that earthquakes under the water can cause _________________________________.

• tornadoes

• tsunamis

• lightening

• hailstorms

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