Natural Calamities
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Earthquakes and Seismograph
SubtopicEarthquakes and Seismograph under Natural Calamities for Grade 5 ICSE.
Preview questions (no answers)
- 1.
What is the most important rule to follow during any natural calamity like an earthquake?
A.Stay calm
B.Run as fast as possible
C.Scream for help
D.Call all your relatives
- 2.
What builds up between tectonic plates before it is suddenly released as an earthquake?
A.Water
B.Energy or pressure
C.Air
D.Dust
- 3.
What does the Richter scale specifically measure?
A.The depth of the sea
B.The magnitude of an earthquake
C.The height of a building
D.The speed of the wind
- 4.
Which of the following describes an earthquake?
A.A man-made disaster
B.A natural disaster
C.A weather-related event
D.A space-related event
- 5.
A person who is trapped under debris after an earthquake should:
A.Shout continuously until they lose their voice
B.Tap on a pipe or wall so rescuers can hear them
C.Try to move heavy rocks alone
D.Stay completely silent and sleep
- 6.
The intensity of an earthquake is usually highest:
A.Far away from the focus
B.Closest to the point on the surface above the focus
C.In the center of the Earth
D.In the clouds
- 7.
What part of the seismograph moves along with the Earth during a tremor?
A.The suspended weight
B.The base and the drum
C.The air around it
D.The ink inside the pen
- 8.
If you look at a seismogram and see that the P-waves and S-waves arrived almost at the same time, what can you conclude?
A.The earthquake epicenter was very close to the seismograph station
B.The earthquake was extremely weak and barely noticeable
C.The earthquake occurred on the exact opposite side of the planet
D.The seismograph is broken and not recording properly
- 9.
What does a 'Reverse Fault' indicate about the forces acting on the Earth's crust?
A.The crust is being compressed or pushed together
B.The crust is being pulled apart or stretched
C.The crust is only moving horizontally with no vertical force
D.The crust is becoming thinner and sinking into the mantle
- 10.
Which component of the seismograph is the 'inertial' part?
A.The heavy mass
B.The rotating drum
C.The outer casing
D.The anchor bolts
Download the worksheet for Natural Calamities - Earthquakes and Seismograph to practice offline. It includes additional chapter-level practice questions.
Volcanoes (Active, Dormant, Extinct)
SubtopicVolcanoes (Active, Dormant, Extinct) under Natural Calamities for Grade 5 ICSE.
Preview questions (no answers)
- 1.
Which of the following is NOT a type of volcano based on its activity?
A.Active
B.Dormant
C.Extinct
D.Sandy
- 2.
What is the primary heat source that melts rock into magma?
A.The Sun
B.Internal heat of the Earth
C.Forest fires
D.Lightning strikes
- 3.
Which of these can be created by multiple volcanic eruptions in the ocean?
A.New islands
B.Glaciers
C.Deserts
D.Rivers
- 4.
Why is volcanic soil good for farming?
A.It is very dry
B.It is rich in minerals
C.It is full of plastic
D.It stays frozen
- 5.
Volcanic eruptions are mostly caused by the movement of the Earth's large crustal plates. These plates are called:
A.Lithospheric Plates
B.Tectonic Plates
C.Volcanic Plates
D.Oceanic Plates
- 6.
Which type of volcano is sometimes described as having a 'plug' of hardened lava that might be blown out in a future eruption?
A.Active
B.Dormant
C.Extinct
D.Shield
- 7.
What can sometimes be found in volcanic regions where water is heated underground and shoots up as steam and hot water?
A.Icebergs
B.Geysers
C.Waterfalls
D.Rivers
- 8.
The Hawaiian Islands were formed by which volcanic process?
A.Collision of two continental plates
B.A tectonic plate moving over a stationary hotspot
C.The drying up of a large ancient sea
D.A single massive explosion of an extinct volcano
- 9.
Which state of matter is 'Magma' most accurately described as?
A.Solid rock
B.Molten or semi-liquid rock
C.Highly compressed gas
D.Solid ice
- 10.
Why do people live near active volcanoes despite the risks?
A.Lava is a good source of drinking water
B.The volcanic soil is exceptionally fertile for farming
C.Volcanoes prevent earthquakes from happening
D.The air near a volcano is the cleanest on Earth
Download the worksheet for Natural Calamities - Volcanoes (Active, Dormant, Extinct) to practice offline. It includes additional chapter-level practice questions.
Floods, Droughts, and Cyclones
SubtopicFloods, Droughts, and Cyclones under Natural Calamities for Grade 5 ICSE.
Preview questions (no answers)
- 1.
Why is it important to follow the instructions of the local government during a natural calamity?
A.To get a prize
B.To ensure safety and survival
C.To finish school homework
D.To travel to another country
- 2.
Which of these can happen if it does not rain for several years in a region?
A.Severe drought
B.Constant floods
C.Falling of glaciers
D.Expansion of lakes
- 3.
What is the main objective of a relief camp during a flood?
A.To sell expensive food
B.To provide shelter and food to victims
C.To provide a holiday spot
D.To organize sports events
- 4.
Which of these is a natural way to reduce the impact of a storm surge?
A.Removing all sand from beaches
B.Mangrove forests along the coast
C.Building glass houses
D.Cutting down coastal bushes
- 5.
Which of these is a common feature of areas that experience frequent droughts?
A.Lush green forests
B.Vast agricultural lands with plenty of water
C.Dry and cracked earth
D.Many flowing rivers
- 6.
Why should we avoid eating food that has been in contact with flood water?
A.It might be too cold
B.It might be contaminated with bacteria and chemicals
C.It might be too salty
D.It might be too soft
- 7.
Which natural calamity is most likely to cause a 'tidal wave' to enter inland areas?
A.Drought
B.Cyclone
C.Forest fire
D.Heat wave
- 8.
Which of these factors would most likely lead to a 'Flash Flood' in a desert region?
A.A long period of light drizzle
B.A sudden, intense thunderstorm over dry, non-absorbent ground
C.The melting of the small amount of frost on the sand
D.The movement of a sand dune into a small oasis
- 9.
Why is 'desalination' of seawater not always a practical solution during a drought, despite the ocean having plenty of water?
A.Seawater is too heavy to be carried to the land
B.The process is extremely expensive and requires a huge amount of energy
C.Salt taken out of the water will cause more droughts
D.There is no technology yet that can take salt out of water
- 10.
How does 'Mulching' (covering soil with organic matter) help a garden survive a drought?
A.It adds more water to the soil from the air
B.It reduces the rate of evaporation from the soil surface and keeps it cool
C.It prevents the plants from growing too tall
D.It makes the plants invisible to the hot sun
Download the worksheet for Natural Calamities - Floods, Droughts, and Cyclones to practice offline. It includes additional chapter-level practice questions.
Tsunami and Safety measures
SubtopicTsunami and Safety measures under Natural Calamities for Grade 5 ICSE.
Preview questions (no answers)
- 1.
What is the best way to help younger siblings during a tsunami evacuation?
A.Let them run ahead
B.Hold their hand and follow the plan together
C.Tell them to stay and play
D.Hide from them
- 2.
Why do people sometimes mistake a tsunami for a 'tidal wave'?
A.Because it looks like a very high rising tide
B.Because it is caused by the moon
C.Because it happens every 12 hours
D.Because it only happens at night
- 3.
What should you do if you are at the beach and feel the ground shaking strongly?
A.Wait for a siren
B.Immediately move inland to high ground
C.Look for the epicenter
D.Check the news on your phone first
- 4.
Which of these events can cause a sudden displacement of a huge volume of water?
A.A whale jumping
B.An underwater volcanic eruption
C.A small boat sinking
D.A summer breeze
- 5.
What is the most important item to carry if you are evacuating for a tsunami?
A.Heavy furniture
B.Your school books
C.An emergency kit with water, food, and medicine
D.A large television
- 6.
Which of these is NOT a trigger for a tsunami?
A.Large meteorite impact in the ocean
B.Heavy snowfall in the mountains
C.Undersea volcanic collapse
D.Tectonic plate subduction
- 7.
What is the effect of a tsunami on the local drinking water supply in coastal areas?
A.It makes the water taste better
B.It contaminates wells and freshwater sources with saltwater and debris
C.It increases the amount of freshwater available
D.It has no effect on drinking water
- 8.
The shape of a coastline can greatly influence the severity of a tsunami. Study the flowchart below representing a tsunami's movement. When a tsunami moves from the open ocean into a narrow, V-shaped bay, what is the most likely physical outcome at Point D?
A.The wave height increases significantly as the energy is squeezed into a smaller space.
B.The wave energy is absorbed by the bay walls, making the water calm at the shore.
C.The wave splits into many tiny ripples that lose their power before hitting land.
D.The wave speeds up and reflects back to the deep ocean without flooding the bay.
- 9.
Which of these is a critical post-tsunami health risk?
A.Contamination of drinking water leading to diseases like cholera
B.Sunburn from the clear skies
C.Allergic reactions to sea salt
D.Lack of sleep due to noise
- 10.
How does the 'Bore' phenomenon relate to tsunamis?
A.It is a wall of water that moves up a river or narrow bay during a tsunami
B.It is the sound the earthquake makes
C.It is the hole left in the ocean floor
D.It is a type of cloud that appears before a tsunami
Download the worksheet for Natural Calamities - Tsunami and Safety measures to practice offline. It includes additional chapter-level practice questions.