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NCERT solutions for Class 8 Science chapter 15 - Some Natural Phenomena

Science Textbook For Class 8

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NCERT Science Class 8

Science Textbook For Class 8 - Shaalaa.com

Chapter 15: Some Natural Phenomena

Chapter 15: Some Natural Phenomena solutions [Page 197]

Q 1 | Page 197

Which of the following cannot be charged easily by friction?

  • A plastic scale

  • A copper rod

  • An inflated balloon

  • A woollen cloth

Q 2 | Page 197

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.

Q 3.1 | Page 197

Write T against true and F against false in the following statement.

Like charges attract each other. (T / F)

  • True

  • False

Q 3.2 | Page 197

Write T against true and F against false in the following statement.

A charged glass rod attracts a charged plastic straw. (T / F).

  • True

  • False

Q 3.3 | Page 197

Write T against true and F against false in the following statement.

Lightning conductor cannot protect a building from lightning. (T/F)

  • True

  • False

Q 3.4 | Page 197

Write T against true and F against false in the following statement.

Earthquakes can be predicted in advance. (T / F)

  • True

  • False

Q 4 | Page 197

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

Q 5 | Page 197

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

Q 6 | Page 197

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?

Q 7 | Page 197

Suggest Three Measures to Protect Ourselves from Lightning.

Q 8 | Page 197

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

Q 9 | Page 197

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

Q 10 | Page 197

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

Q 11 | Page 197

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

Q 12 | Page 197

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.

Chapter 15: Some Natural Phenomena

NCERT Science Class 8

Science Textbook For Class 8 - Shaalaa.com

NCERT solutions for Class 8 Science chapter 15 - Some Natural Phenomena

NCERT solutions for Class 8 Science chapter 15 (Some Natural Phenomena) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CBSE Science Textbook For Class 8 solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com are providing such solutions so that students can prepare for written exams. NCERT textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Class 8 Science chapter 15 Some Natural Phenomena are Lightning, Charging by Rubbing, Types of Charges and Their Interaction, Transfer of Charge, Story of Lightning, Concept of Lightning Safety, Earthquakes.

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

Get the free view of chapter 15 Some Natural Phenomena Class 8 extra questions for Science and can use Shaalaa.com to keep it handy for your exam preparation

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