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Science: Middle School: Grades 6, 7 and 8 Quiz - Earthquakes (Questions)

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Earthquakes are visible signs of plate tectonics. Earthquakes are caused when there is a sudden shifting of the plates. The effects of earthquakes will vary from region to region depending upon the size of the quake. Whatever their size, they can cause a dramatic change to the Earth’s surface.

Earthquakes cause a series of waves called?

[ ]	Seismic waves
[ ]	Tsunamis
[ ]	Tidal waves
[ ]	Electro-magnetic pulses

What is the Epicenter?

[ ]	Where two plates collide
[ ]	The measurement of a fault line
[ ]	The closest location to the center of an earthquake
[ ]	A tourist attraction at Disney World

What instrument is used to measure the size and duration of an earthquake?

[ ]	Magnitude Scale
[ ]	Mercalli Scale
[ ]	Telescope
[ ]	Richter Scale

What is a fault?

[ ]	A break in the rocks that make up the Earth’s crust
[ ]	Where two plates come together
[ ]	Where seismic activity is recorded
[ ]	A bulge in the Earth's surface

What are three main causes of earthquakes?

[ ]	Volcanoes, movement of the tectonic plates, tsunamis
[ ]	Volcanoes, the moon’s gravitational forces, tectonic plate movement
[ ]	Volcanoes, the sun’s gravitational forces, tectonic plate movement
[ ]	Volcanoes, movement of the tectonic plates, human activity such as bombs

What is an earthquake storm?

[ ]	A tsunami
[ ]	A series of large earthquakes occurring along the same plate boundary
[ ]	The raining of molten lava brought up to the Earth’s surface
[ ]	A dark cloud of ash that spreads after a large quake

What is a tsunami?

[ ]	A volcanic eruption on the ocean's floor
[ ]	The point at which the ocean reaches the shoreline
[ ]	Turbulent waves caused by a hurricane
[ ]	A chain of fast moving waves in the ocean caused by powerful earthquakes

Earthquakes are this kind of occurrence.

[ ]	Frequent
[ ]	Geological
[ ]	Atmospheric
[ ]	Supernatural

Which U.S. state experiences the most earthquakes?

[ ]	Hawaii
[ ]	California
[ ]	Alaska
[ ]	Washington

10.

What is the 'magnitude' of an earthquake?

[ ]	The amount of energy that is released by a quake
[ ]	The duration of a quake
[ ]	The length of a quake
[ ]	The destruction caused by a quake

Science: Middle School: Grades 6, 7 and 8 Quiz - Earthquakes (Answers)

Earthquakes cause a series of waves called?

[x]	Seismic waves
[ ]	Tsunamis
[ ]	Tidal waves
[ ]	Electro-magnetic pulses

We are not looking at water here but rather thinking about vibration and distance

What is the Epicenter?

[ ]	Where two plates collide
[ ]	The measurement of a fault line
[x]	The closest location to the center of an earthquake
[ ]	A tourist attraction at Disney World

This is being in the very middle of an action

What instrument is used to measure the size and duration of an earthquake?

[ ]	Magnitude Scale
[ ]	Mercalli Scale
[ ]	Telescope
[x]	Richter Scale

This was developed in 1935. It was intended to be used only in a particular study area in California and on seismograms recorded on a particular instrument, the Wood-Anderson torsion seismograph

What is a fault?

[x]	A break in the rocks that make up the Earth’s crust
[ ]	Where two plates come together
[ ]	Where seismic activity is recorded
[ ]	A bulge in the Earth's surface

If you take a sledge hammer to a rock, it will do this

What are three main causes of earthquakes?

[ ]	Volcanoes, movement of the tectonic plates, tsunamis
[ ]	Volcanoes, the moon’s gravitational forces, tectonic plate movement
[ ]	Volcanoes, the sun’s gravitational forces, tectonic plate movement
[x]	Volcanoes, movement of the tectonic plates, human activity such as bombs

Think of ground movements that would be violent enough to cause a change

What is an earthquake storm?

[ ]	A tsunami
[x]	A series of large earthquakes occurring along the same plate boundary
[ ]	The raining of molten lava brought up to the Earth’s surface
[ ]	A dark cloud of ash that spreads after a large quake

A storm is something that lasts over a period of time and can have a ripple effect

What is a tsunami?

[ ]	A volcanic eruption on the ocean's floor
[ ]	The point at which the ocean reaches the shoreline
[ ]	Turbulent waves caused by a hurricane
[x]	A chain of fast moving waves in the ocean caused by powerful earthquakes

Rapidly moving waves powerful enough to wash away entire cities

Earthquakes are this kind of occurrence.

[ ]	Frequent
[x]	Geological
[ ]	Atmospheric
[ ]	Supernatural

Knowing about the study of solid and liquid matter that makes up the Earth will make the answer easy

Which U.S. state experiences the most earthquakes?

[ ]	Hawaii
[ ]	California
[x]	Alaska
[ ]	Washington

If you know which state is the largest, that is where you’ll find the answer

10.

What is the 'magnitude' of an earthquake?

[x]	The amount of energy that is released by a quake
[ ]	The duration of a quake
[ ]	The length of a quake
[ ]	The destruction caused by a quake

This would be related to the power and greatness in size