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NCERT solutions for Science [English] Class 8 chapter 12 - Some Natural Phenomena [Latest edition]

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NCERT solutions for Science [English] Class 8 chapter 12 - Some Natural Phenomena - Shaalaa.com
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Solutions for Chapter 12: Some Natural Phenomena

Below listed, you can find solutions for Chapter 12 of CBSE NCERT for Science [English] Class 8.


Exercises
Exercises [Page 163]

NCERT solutions for Science [English] Class 8 12 Some Natural Phenomena Exercises [Page 163]

Select the correct option in Questions.

Exercises | Q 1. | Page 163

Which of the following cannot be charged easily by friction?

  • A plastic scale

  • A copper rod

  • An inflated balloon

  • A woollen cloth

Exercises | Q 2. | Page 163

When a glass rod is rubbed with a piece of silk cloth the rod ______.

  • and the cloth both acquire positive charge.

  • becomes positively charged while the cloth has a negative charge.

  • and the cloth both acquire negative charge.

  • becomes negatively charged while the cloth has a positive charge.

Write true and false in the following statements.

Exercises | Q 3. (a) | Page 163

Like charges attract each other.

  • True

  • False

Exercises | Q 3. (b) | Page 163

A charged glass rod attracts a charged plastic straw.

  • True

  • False

Exercises | Q 3. (c) | Page 163

Lightning conductors cannot protect a building from lightning.

  • True

  • False

Exercises | Q 3. (d) | Page 163

Earthquakes can be predicted in advance.

  • True

  • False

Exercises | Q 4. | Page 163

Sometimes, a crackling sound is heard while taking off a sweater during winters. Explain.

Exercises | Q 5. | Page 163

Explain why a charged body loses its charge if we touch it with our hand.

Exercises | Q 6. | Page 163

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?

Exercises | Q 7. | Page 163

Suggest three measures to protect ourselves from lightning.

Exercises | Q 8. | Page 163

Explain why a charged balloon is repelled by another charged balloon whereas an uncharged balloon is attracted by another charged balloon?

Exercises | Q 9. | Page 163

Describe with the help of a diagram an instrument which can be used to detect a charged body.

Exercises | Q 10. | Page 163

List three states in India where earthquakes are more likely to strike.

Exercises | Q 11. | Page 163

Suppose you are outside your home and an earthquake strikes. What precaution would you take to protect yourself?

Exercises | Q 12. | Page 163

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.

Solutions for 12: Some Natural Phenomena

Exercises
NCERT solutions for Science [English] Class 8 chapter 12 - Some Natural Phenomena - Shaalaa.com

NCERT solutions for Science [English] Class 8 chapter 12 - Some Natural Phenomena

Shaalaa.com has the CBSE Mathematics Science [English] Class 8 CBSE solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. NCERT solutions for Mathematics Science [English] Class 8 CBSE 12 (Some Natural Phenomena) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.

Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. NCERT textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.

Concepts covered in Science [English] Class 8 chapter 12 Some Natural Phenomena are Lightning and Lightning Safety, Force of Friction, Types of Charges and Their Interaction, Earthquake, Lightning and Lightning Safety, Transfer of Charges, Protection Against Earthquakes, Electroscope, Electric Charge, Lightning and Lightning Safety, Force of Friction, Types of Charges and Their Interaction, Earthquake, Lightning and Lightning Safety, Transfer of Charges, Protection Against Earthquakes, Electroscope, Electric Charge.

Using NCERT Science [English] Class 8 solutions Some Natural Phenomena exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in NCERT Solutions are essential questions that can be asked in the final exam. Maximum CBSE Science [English] Class 8 students prefer NCERT Textbook Solutions to score more in exams.

Get the free view of Chapter 12, Some Natural Phenomena Science [English] Class 8 additional questions for Mathematics Science [English] Class 8 CBSE, and you can use Shaalaa.com to keep it handy for your exam preparation.

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