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WorksheetsThe Changing Earth
Total questions: 15
Worksheet time: 8mins
Who suggested the Continental Drift theory?
Aldrin Weiner
Isaac Newton
Alfred Wegener
Thomas Cook
What does the Continental Drift theory state?
The continents were once joined in a super continent and have slowly moved over time.
The Earth is broken into lithospheric plates that move due to convection currents.
Continents are stationary and don't move.
None of the above
A super continent that existed 200 million years ago was ________________ .
Laurasia
Eurasia
Africa
Pangaea
Dormant volcano is also known as __________________ volcano.
living
dead
sleeping
dancing
Volcanoes that have recently erupted are known as _____________ volcano.
Extinct
Dead
Dormant
Active
__________________ is the place of origin of an earthquake.
Focus (Hypocentre)
Epicentre
Seismic wave
Seismograph
Name the type of Earthquake wave shown in the figure.
Primary wave
L wave
Secondary wave
Surface wave
'Ring of fire' represents an area of earthquake and volcanic activity that surrounds the Pacific Ocean.
False
True
The Earthquake in Bhuj (Gujarat) occurred in ______________ .
2002
2004
2001
2003
Geologists/Petrologists and seismologists study ______________ and _______________ to determine what is happening inside the earth.
plants and animals
oceans and land
land and space
rocks and seismic waves
Name the instrument shown in the image.
Seismograph
Barometer
Richter scale
Mercalli scale
Which theory is depicted in this picture?
Continental drift
Evolution
Rock cycle
Plate Tectonics
The intensity of an earthquake is maximum near the _____________.
focus
epicentre
crater
vent
The idea of sea floor spreading is a part of which theory?
Continental drift
Pangaea
Endogenic forces
Plate tectonics
Earthquake is an example of _________________ force.
exogenic
sudden endogenic
diastrophic endogenic
weathering
