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WorksheetsG6 Science Earthquake
Total questions: 60
Worksheet time: 1hrs 10mins
What scale is used to measure Earthquake Magnitude?
Earthquake Meter
Seismic Meter
Earthquake Intensity Scale
Richter Scale
What is the point directly above the focus on the surface?
Epicenter
Hypocenter
Fault line
Magnitude
What is the shaking of the Earth’s crust caused by a release of energy?
Earthquake
Epicenter
Fault
Plate
The focus of an earthquake is
The point (below Earth's surface) where rock breaks
The closest seismic station
The place where the greatest damage occurs
A fault
Earthquakes happen every day. Most are too small for humans to notice.
True
False
Depth of earthquake means...
how far into the earth it occurs
how big the earthquake was
how much power was released by the earthquake
where the earthquake occurred on the surface
There are many earthquakes at the edges of SOME continents (like N/S America).
TRUE
FALSE
When force on rocks is great enough they break, producing vibrations called
faults
liquefaction
earthquake
tsunami
Strong earthquakes can ruin tall buildings and destroy roads and houses.
True
False
The Richter Scale measures
The amount of gas released
The movement of plates
The weight of tectonic plates
The strength or magnitude of an earthquake
The strongest earthquake will be a category _____.
1
5
10
20
The further the seismic waves travel from the center, the ____________ they become.
Stronger
Weaker
What is the difference between the epicenter and the focus?
The epicenter is located on Earth's surface and the focus is on the fault line.
The focus is located on Earth's surface and the epicenter is on the fault line.
Which city is closest to the epicenter?
A
B
C
What are earthquakes?
The shaking that results from the movement of rock beneath Earth's surface
Masses of earth sliding down cliffs or mountains
A rotating column of air causing mass destruction
A gigantic wave
An earthquake is usually caused by a...
landslide
very large storm
glacier
movement along a fault
____ are breaks or cracks in the rocks that make up Earth's crust.
Landforms
Faults
Earthquakes
Boundaries
If you are outdoors during an earthquake you must keep away from...
trees
power lines
any structure that might fall down
All correct
Most earthquakes happen along _________________.
Strong earthquakes can ruin tall buildings and destroy roads and houses.
True
False
The place where an earthquake originates inside the Earth's surface is called...
Epicenter
Focus
Underground
Crust
What is the shaking of the Earth’s crust caused by a release of energy?
Earthquake
Epicenter
Fault
Plate
Where is the point at which the first movement occurs during an earthquake?
Epicenter
Focus
Fault
Plate
Where is the point on the Earth’s surface directly above the focus of an earthquake?
Epicenter
Fault
Hypocenter
Tremor
What is a large ocean wave that results from an underwater earthquake, landslide, or volcanic eruption?
Aftershock
Liquefaction
Seismic Gap
Tsunami
The scale, which numbered 1-10, that measures the strength or magnitude of an earthquake.
pH scale
Richter Scale
Mercalli Scale
Hardness Scale
1. It is always good to stay calm and alert during an earthquake.
TRUE
FALSE
2. Check yourself and others for injuries after an earthquake.
TRUE
FALSE
3. Be prepared for aftershocks.
TRUE
FALSE
4. During an earthquake and in an outdoor area, do not move to an open area.
TRUE
FALSE
Never participate in regular earthquake drill.
TRUE
FALSE
7. Providing first aid and having supplies will save lives, will make life more comfortable, and will help you cope after the next earthquake.
TRUE
FALSE
8. Which of the following is NOT an important part of an emergency supply kit?
Flashlight
Batteries
Water
Video Game
9. Which of the following is the best way to protect yourself during an earthquake?
Run as fast as you can
Drop, cover, and hold
Go into the basement
Stand under a tree
Duck, cover, and hold.
Before
During
After
Move away from glass windows, bookshelves, and cabinets.
Before
During
After
Check for injuries.
Before
During
After
Check for structural damage.
Before
During
After
Prepare an emergency kit.
Before
During
After
Prepare for aftershocks.
Before
During
After
Make a plan.
Before
During
After
Keep heavy objects on the lower shelves so they do not tumble.
Before
During
After
Stay away from damaged places or structures.
Before
During
After
Stay away from buildings, streetlights, and power posts.
Before
During
After
A volcano is a mountain that has an opening to allow hot vapor, and gas to escape from the pool of magma below.
True
False
Before an earthquake occur, it is important to keep breakables or heavy objects on the bottom shelves.
True
False
The volcano is now erupting and the ash spreads all over the place. What should people wear to protect their eyes from the ash?
After the volcanic eruption, most houses have thick ash stacked on their roofs. What is the main reason why it is necessary to immediately clean up the roof and get rid of the ash?
The roof might tumble because of the thick ash it carries.
The ash on the roof does not look pleasing.
The ash might be flown away by the wind and would get into the house.
The ash would cover the paint of the roof.
Keeping a list of emergency numbers and preparing a family emergency kit is one of the safety precautions that must be observed ____________ an earthquake.
is a path along the Pacific Ocean characterized by active volcanoes and frequent earthquakes
Pacific Ring of Fire/ Circum Pacific Belt
Plate tectonics
Typhoon belts
sub-tropical and the polar high belts
Earthquakes are caused by all of the following EXCEPT:
movement of tectonic plates.
tsunamis.
volcanic activity.
underground collapses.
Rock underground suddenly breaks causing movement is a description of which natural hazard?
Volcanic Eruption
Hurricane
Earthquake
Tornado
liquefaction
the measurement of ground motion or energy on the Richter magnitude scale
occurs when wet soil acts more like a liquid during an earthquake
the energy released when rocks break due to stress
wet, sandy filled soil
