WorksheetsNLAC - Earth Science MT exam
Total questions: 40
Worksheet time: 21mins
it is the layer of the Earth that sustains the life in water.
hydrosphere
lithosphere
biosphere
atmosphere
it is the layer of the Earth that sustains the life of organisms in the soil.
biosphere
hydrosphere
atmosphere
lithosphere
what is the shape of the Earth?
perfect circle
oval
nearly spherical
round
It refers to mass per unit volume ( ? = m/v) . It is technically defined as space or area occupied by matter.
Density
Pressure
Incompressibility
Rigidity
where is the longest latitude of the Earth?
Equator
Northern hemisphere
southern hemisphere
none of the above
it is known as the "Blue Planet"
Earth
Mars
It refers to the scientist who deals with imaging by sections or sectioning, through the use of any kind of penetrating wave.
Tomogrophist
Geologist
meteorologist
cosmologist
The Earth's layer has three (3) major divisions, what is the reason for such divisions?
It was based on measurements.
Each layer is connected to each other
Each layer is characterized by a distinguishing feature.
all of the above
"D" layer is in between the outer core and the lower mantle. which of the following makes the discontinuity between these layers?
Distance
Chemical composition
Temperature
None of the above
From the innermost part of the Earth, which of the following is the correct arrangement of its layer?
inner core - outer core - "D" layer - lower mantle - transition region - upper mantle - crust
crust - upper mantle - transition region - lower mantle - "D" layer - outer core - inner core
inner core - outer core - upper mantle - lower mantle - crust
inner core - core - inner core - transition region - mantle - inner crust - outer crust
what speculation can be made if a certain layer of the Earth is said to be "not completely made of solid minerals"
The minerals are not solid.
The minerals are liquid
The minerals are partly solid and partly liquid
None of the above
The outermost layer of the earth.
crust
mantle
core
none of the above
What are the two categories of the outermost layer of the earth?
oceanic and crust
oceanic and continental
mantle and crust
none of the above
The thinnest layer of the Earth
continental crust
oceanic crust
Both a and b
None of the above
Which of the following factors makes the oceanic crust thinner than the continental crust?
Gravitational force
Current of the ocean waves
Solar Energy
weathering and erosion
The continental crust and the oceanic crust are also referred to as ------
Mesosphere
Asthenosphere
Lithosphere
None of the above
The geologist who first proposed the theory of Continental Drift.
Alfred Wegenr
Alfred Wegner
Alfred Vegener
Alfred Wegener
Which of the following statements explains briefly but concisely the Continental Drift theory
The part of the Earth's crust is moving up from the liquid core
The part of the Earth's crust slowly drift atop a liquid core
A and B
none of the above
Which statement best explains the theory hypothesized by A. Wegener about Pangaea?
The gigantic continent was formed from undersized continents.
There was a gigantic supercontinent million of years ago which gradually divided into continents.
There were small continent that progressed into supercontinent million of years ago.
There were gigantic supercontinents million of years ago which gradually divided into continents.
The north division of the Pangaea was named _______
Laurasia
Gondwanaland
What was the significant event about Pangaea cropped up by the end of the cretaceous period?
The continents have separated into land masses that look like our modern-day continents.
The continents started to separate into land masses that look like our modern-day continents.
The continents was at its peak to separate into land masses that look like our modern-day continents.
None of the above
What is the literal meaning of Pangaea?
All-earth
All the land
Both a and b
none of the above
Which of the following land formations is most likely not accomplished by theory of plate tectonics?
volcano
mountain
oceanic trench
none of the above
According to geologist the plates of the earth are moving at an estimated speed of 1 to 10 cm / year. What is the implication of this findings?
The number of continents at present will surely increase.
The continents 10 - 100 cm away from each other after 10 years
It explains the possible cause of earthquakes, volcanic eruption and other geologic phenomenon.
all of the above
Crust is constantly being created and destroyed, Continental crust is more active than oceanic crust.
True
False
what plate interaction occurs when seafloor spread?
separate from one another
collide
slip past one another
all of the above
which of the following land forms are produced when plates collide?
mountain ranges
volcanoes
trench
plateau
it is the movement of two oceanic plates away from each other, which result in the formation f new oceanic crust.
convergent
lateral slipping
divergent
none of the above
The plate movement in which two plates collide resulting to the destruction of the crust thus smaller plates are formed.
Divergent
Convergent
Lateral Slipping
None of the above
Which does not belong to the group?
Oceanic plate and continental plate
two oceanic plates
two continental plates
crustal plates
It is the process in which the ocean floor is extended when two plates move apart.
sea-floor extension
ocean floor extension
sea-floor spreading
ocean floor spreading
