The normal fault, the reverse fault, and the strike slip fault.
What are the three main types of fault?
100
A number assigned to an earthquake to determine its deadliness. (Example: 4.5)
What is magnitude?
100
Plate movement on the ocean floor shoves water out of its way and causes a tsunami on the nearest coast.
What causes tsunamis?
100
An epicenter is the point on Earth's surface that is directly above the focus of an earthquake.
What is an epicenter?
100
Alfred Wegener
Who came up with the continental drift theory?
200
Folding, stretching, and uplifting are the three main types of stress in a rock.
What are the three main types of stress in rock?
200
The Ritchter Scale
What earthquake measuring device measures magnitude?
200
A P wave is the first wave to reach the surface of the earth. It is a little pulse, often the one that wakes one up right before a quake. A P wave can travel through liquids an causes little if not no damage at all.
What is a P wave and how much damage does it cause?
200
The Mercalli scale, the Ritcher scale, and the moment magnitude scale.
What are the three most commonly used scales for measuring earthquakes?
200
Episode IV of Star Wars is known as "A New Hope"
What is the fourth episode of Star Wars called?
300
Tension, compression, and shearing
What are the three types of stress?
300
Knowing magnitude can teach others to take earthquake warnings seriously and take steps to make their house earthquake- proof. Also, it helps scientists study recent earthquakes using their magnitude.
How can knowing the magnitude of an earthquake help others to be prepared?
300
An aftershock is a minor earthquake after a major one, not usually more than a magnitude of 2.5
What is an aftershock and how strong is it?
300
The moment magnitude.
What kind of seismograph are most useful for rating earthquakes on their intensity?
300
The S wave causes the most damage.
Which of the three waves causes the most damage?
400
The San Andreas is a strike-slip fault.
What kind of fault is the San Andreas fault?
400
Liquefaction is when an earthquake turns loose soil into wet mud.
What is liquefaction?
400
The first of the waves to surface is the P wave, which can travel through liquids. The second is the S wave, followed by the surface waves, slowest of the bunch.
What are the three main types of waves and in what order do they occur?
400
If there is an earthquake in Houston, Chicago, and, say, Washington, DC, then scientists draw a circle around the points of the three earthquakes. Where the circles meet is the epicenter.
How can an epicenter be found? Use examples to explain.
400
The three soil horizons are called the A, B, and C horizons.
What is are the three soil horizons called?
500
Shearing pushes a mass of rock in two opposite directions. This can cause rock to change its shape or break and slip apart.
Explain how shearing affects the earth.
500
When liquefaction occurs, houses and buildings sink and can be lost or pulled apart. In addition to that, roads can be damaged from liquefaction.
How can buildings and houses be damaged by liquefaction?
500
Earthquakes can pull apart buildings and houses and activate or trigger landslides and liquefaction, leading to more damage of roads, cars, and buildings.
How can earthquakes damage cities? Be specific.
500
There were dragons with balls in their mouths along the circular edges of the seismograph. When there was a quake, the dragon facing in that direction would drop its ball into the mouth of a toad sitting below it, and the Chinese would know what direction that earthquake was in.
How did the oldest version of an earthquake measuring creation work?
500
The hyperdrive is the key part to getting any ship to hyperspace.
Which part of the Millennium Falcon helps it to hyperspace?