A major earthquake occurred on $26^{th}$ January $2001$ in which part of India$?$
- AUri $($Kashmir$)$
- BMumbai $($Maharastra$)$
- CGuwahati $($Assam$)$
- ✓Bhuj $($Gujarat$)$
Answer: D.
View full solution →Question types
Some Natural Phenomena question types
447 questions across 10 question groups — pick any mix to generate a Science paper with step-by-step answer keys.
447
Questions
10
Question groups
5
Question types
01
M.C.Q. [I MARKS]
228 Q→02Give the definition [1 M]
19 Q→03Fill in the blanks: [1 M]
29 Q→04questions in short. [2 marks ]
65 Q→05scientific reasons[2 marks ]
11 Q→06true or false. [1 M]
22 Q→07questions in short. [3 marks ]
33 Q→08questions in details [4 marks ]
15 Q→09questions in on sentence. [1 M]
20 Q→10case /data -based (4 Marks)
5 Q→Sample Questions
Some Natural Phenomena questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
The waves generated by the earthquake tremors are called:
- AUltrasonic waves.
- BRhythmic waves.
- CSystemic waves.
- ✓Seismic waves.
Answer: D.
View full solution →The process of transferring a charge from a charged body to the earth is called:
- ✓Earthing
- BHydrolysis
- CDischarging
- DElectrolysis
Answer: A.
View full solution →Amber is a:
- Ametal
- Brubber
- ✓resin
- Dsugar
Answer: C.
View full solution →Sparkers can be seen on electric pole. Which wires become:
- ✓Loose
- BTight
- CWrinkle
- DNone
Answer: A.
View full solution →Tremor
Tsunami
Transfer of Charge
Thunderstorm
Thunder
Benjamin Franklin showed lightning in $............$
View full solution →Interaction of charges is called $............$
View full solution →The outer layer of the earth is $............$
View full solution →When charges flow, they constitute $............$
View full solution →$............$ can save buildings from destruction due to lightning.
View full solution →Explain why, a charged body loses its charge when we touch it with our hand.
The weather department has predicted that a thunderstorm is likely to occur on a certain day. Suppose you have to go out on that day. Would you carry an umbrella? Explain.
Suppose you are outside your home and an earthquake strikes. What precaution would you take to protect yourself?
Will the lightning conductor be still required to be installed in the building?
Why does a plastic comb rubbed with dry hair attract tiny pieces of paper?
charged glass rod attract a charged plastic straw.
The outer most layer of the earth is not in one piece. It is fragmented.
It is not advisable to use an umbrella during thunderstorm
The metal columns, electrical wires and water pipes in the building protect us to an extent from lightning.
Aluminium foil gets charged when we touch the charged metallic rod of an electroscope.
Earthquakes can be predicted in advance.
State whether the following statements are true or false: Lightning conductor cannot protect a building from lightning.
State whether the following statements are true or false: A charged glass rod attracts a charged plastic straw.
State whether the following statements are true or false: Like charges attract each other.
A lightning conductor is fixed in the bottom of the building.
Explain why a charged balloon is repelled by another charged balloon whereas an uncharged balloon is attracted by another charged balloon?
Suggest three measures to protect ourselves from lightning.
Name the scale on which the destructive energy of an earthquake is measured. An earthquake measures $3$ on this scale. Would it be recorded by a seismograph? Is it likely to cause much damage?
View full solution →How does lightning take place in the clouds?
A glass rod is rubbed with a silk cloth and an inflated rubber balloon is rubbed with a woolen cloth. Out of glass rod, inflated rubber, silk cloth and woolen cloth.
$i.$ Mention the name of two objects acquires a negative charge. Why?
$ii.$ Mention the name of two objects acquires a positive charge. Why?
View full solution →$i.$ Mention the name of two objects acquires a negative charge. Why?
$ii.$ Mention the name of two objects acquires a positive charge. Why?
Describe with the help of a diagram an instrument which can be used to detect a charged body.
What is an earthquake? What are the two main situations in which earthquakes occur?
Explain how lightning takes place?
If the materials used for constructing a building were good conductors, do you think lightning will strike the building. Will the lightning conductor be still required to be installed in the building?
What is lightning? How is lightning produced between clouds in the sky?
Sometimes, a crackling sound is heard while taking off a sweater during winters. Explain.
Select the correct option in Questions $1$ and $2.$ When a glass rod is rubbed with a piece of silk cloth the rod.
- Aand the cloth both acquire positive charge.
- ✓becomes positively charged while the cloth has a negative charge.
- Cand the cloth both acquire negative charge.
- Dbecomes negatively charged while the cloth has a positive charge.
Answer: B.
View full solution →Select the correct option in Questions $1$ and $2. 1.$ Which of the following cannot be charged easily by friction$?$
- AA plastic scale
- ✓A copper rod
- CAn inflated balloon
- DA woollen cloth
Answer: B.
View full solution →List three states in India where earthquakes are more likely to strike.
Read the following passage and select the option which correctly fill blanks $(i), (ii), (iii)$ and $(iv).$___$(i)$___ is the point of origin of an earthquake. ___$(ii)$___ measures the strength of an earthquake by estimating the amount of energy released at the focus. The point vertically above the origin point on the surface of the Earth, is ___$(iii)$___. Seismic waves are detected, recorded and measured by ___$(iv)$___.
- A$(i)$$(ii)$$(iii)$$(iv)$EpicenterSeismographFocusSeismologists
- ✓$(i)$$(ii)$$(iii)$$(iv)$FocusSeismologyEpicenterSeismograph
- C$(i)$$(ii)$$(iii)$$(iv)$Focus
Epicenter SeismologistsSeismograph - D$(i)$$(ii)$$(iii)$$(iv)$EpicenterSeismologyFocusSeismologists
Answer: B.
View full solution →Richter scale measures the strength of earthquakes.
$9.$ The damages from an earthquake are listed below.
● $2$ people died
● $5$ building roofs collapsed
● $12$ building walls collapsed
What could be the likely reading on the Richter scale for the earthquake$?$
$A. 4.8$
$B. 5.4$
$C. 6.5$
$D. 7.3$
$10.$ Which of these statements is trueabout earthquakes$?$
$A.$ Earthquakes can cause soil erosion
$B.$ Most of the earthquakes occur in mountain regions
$C.$ The location and duration of earthquakes can be predicted
$D.$ Earthquakes are caused by the movement of underground plates
View full solution →| Richter scale measurement of the earthquake | Example of damages due to the earthquake |
| $3.0 – 3.9$ | No damages but some vibrations felt |
| $4.0 – 4.9$ | Cracks in windows, some unstable objects fall |
| $5.0 – 5.9$ | Building walls may collapse, movement of furniture |
| $6.0 – 6.9$ | Building roofs may collapse, loss of few lives |
| $7.0 – 7.9$ | Cracks on ground, underground pipes broken, loss of many lives |
● $2$ people died
● $5$ building roofs collapsed
● $12$ building walls collapsed
What could be the likely reading on the Richter scale for the earthquake$?$
$A. 4.8$
$B. 5.4$
$C. 6.5$
$D. 7.3$
$10.$ Which of these statements is trueabout earthquakes$?$
$A.$ Earthquakes can cause soil erosion
$B.$ Most of the earthquakes occur in mountain regions
$C.$ The location and duration of earthquakes can be predicted
$D.$ Earthquakes are caused by the movement of underground plates
Earthquakes produce seismic waves that reach the Earth’s surface.
A seismograph is an instrument that records the seismic waves.
The strength of the earthquake is calculated from the graph recorded.
$8.$ Which of these graphs shows the strongest earthquake?
View full solution →A seismograph is an instrument that records the seismic waves.
The strength of the earthquake is calculated from the graph recorded.
$8.$ Which of these graphs shows the strongest earthquake?
The diagram shows the focus of an earthquake
Focus is the point inside the Earth’s crust where the earthquake originates.
$1, 2, 3$ and $4$ are four locations on the Earth’s surface.
$6.$ In which location will the effect of the earthquake be maximum$?$
$A.$ Location $1$
$B.$ Location $2$
$C.$ Location $3$
$D.$ Location $4$
$7.$ Raju was in his garden when an earthquake hit the place.
What should Raju do to remain safe$?$
$A.$ Move to an open space
$B.$ Run away from the place
$C.$ Take shelter under a staircase
$D.$ Take shelter under a large tree
View full solution →Focus is the point inside the Earth’s crust where the earthquake originates.
$1, 2, 3$ and $4$ are four locations on the Earth’s surface.
$6.$ In which location will the effect of the earthquake be maximum$?$
$A.$ Location $1$
$B.$ Location $2$
$C.$ Location $3$
$D.$ Location $4$
$7.$ Raju was in his garden when an earthquake hit the place.
What should Raju do to remain safe$?$
$A.$ Move to an open space
$B.$ Run away from the place
$C.$ Take shelter under a staircase
$D.$ Take shelter under a large tree
Amit was travelling in a car when he saw lightning at some distance.
He heard a loud thunder after a few seconds.
$3.$ What should Amit do immediately to remain safe$?$
$A.$ Increase the speed of the car
$B.$ Stop the car and remain seated inside
$C.$ Stop the car and take shelter inside a building
$D.$ Turn the car and travel in the opposite direction
$4.$ Which of these conditions results in lightning?
$A.$ Negative and positive charges meeting
$B.$ The number of negative charges increasing
$C.$ The number of positive charges increasing
$D.$ Negative and positive charges moving away from each other
$5. $ A lightning conductor protects a building from lightning.
What is a lightning conductor made of$?$
$A.$ Glass
$B.$ Metal
$C.$ Wood
$D.$ Plastic
View full solution →He heard a loud thunder after a few seconds.
$3.$ What should Amit do immediately to remain safe$?$
$A.$ Increase the speed of the car
$B.$ Stop the car and remain seated inside
$C.$ Stop the car and take shelter inside a building
$D.$ Turn the car and travel in the opposite direction
$4.$ Which of these conditions results in lightning?
$A.$ Negative and positive charges meeting
$B.$ The number of negative charges increasing
$C.$ The number of positive charges increasing
$D.$ Negative and positive charges moving away from each other
$5. $ A lightning conductor protects a building from lightning.
What is a lightning conductor made of$?$
$A.$ Glass
$B.$ Metal
$C.$ Wood
$D.$ Plastic
Ryan ran two combs through his hair.
He hung one comb from a stand using a thread.
Ryan brought the other comb close to the irst comb.
The picture below shows the result.
$1.$ Why did the comb move away from the other$?$
$2.$ Ryan repeats the activity using a pair of glass rods in place of the combs.
What would be the result$?$
$A.$ The hanging rod will move away
$B.$ The hanging rod will come closer
$C. $ The hanging rod will show no change
$D. $ The hanging rod will start spinning
View full solution →He hung one comb from a stand using a thread.
Ryan brought the other comb close to the irst comb.
The picture below shows the result.
$1.$ Why did the comb move away from the other$?$
$2.$ Ryan repeats the activity using a pair of glass rods in place of the combs.
What would be the result$?$
$A.$ The hanging rod will move away
$B.$ The hanging rod will come closer
$C. $ The hanging rod will show no change
$D. $ The hanging rod will start spinning
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