NCERT Solutions Class 8 Science - Chapter 12 Some Natural Phenomena - PDF Download

NCERT solutions for class 8 science chapter 12 some natural phenomena is provided here for the students. NCERT solutions for class 8 science chapter 12 some natural phenomena includes the answers to the questions given in the textbook. NCERT solutions for class 8 science chapter 12 some natural phenomena also includes the additional questions, their answers and exemplary problems. NCERT solutions for class 8 science chapter 12 some natural phenomena also includes worksheets and practice questions also includes tips and tricks.

NCERT solutions for class 8 science some natural phenomena provided here include questions on types of charges, characteristics of charged elements, use of the electroscope, concepts of lightning & thunder, earthquake and measurement, earthquake prediction, knowledge of the area at risk of an earthquake, and precautions to be taken during a natural disaster such as an earthquake.

NCERT solutions for class 8 science some natural phenomena provides a solution to all the questions in this chapter. By combining it with the textbooks, students will be able to improve their exam preparation. NCERT solutions for class 8 science some natural phenomena will also help them in avoiding the need to refer to different books.

Download Now

NCERT Solutions for Class 8 Science Chapter 12 Topics

12.1 Lightning: As discussed in class 8 science chapter 12 some natural phenomena ncert solutions pdf, Lightning is a type of electrical discharge caused by static electricity that happens during a storm. It's a sudden and powerful blast of electricity that can make the air around it hotter than the sun's surface, causing it to expand quickly and produce sound waves that we hear as thunder.

12.2 Charging by Rubbing: As discussed in class 8 science chapter 12 some natural phenomena ncert solutions pdf, Rubbing is a type of charging that happens when two things come into contact with each other and exchange electrons. This friction causes the two objects to become electrically charged. One object gets a positive charge because it's losing electrons, and the other one gets a negative charge because it's gaining electrons.

12.3 Types of Charges: As discussed in class 8 science chapter 12 some natural phenomena ncert solutions pdf, There are two basic types of electrical charges: positive and negative charges. These charges play a role in the behavior of electrons and protons.

12.4 Transfer of Charge: The process of transferring electric charge, commonly referred to as “charging,” is an essential element of electricity. It is the process of transferring electrical charge from one item to another.

12.5 The Story of Lightning: Now we can explain lightning in terms of charges produced by friction. During the formation of a thunderstorm, air currents travel upwards while water droplets travel downwards. These collisions cause charges to separate. In a process that is not yet fully understood, positive charges accumulate along the upper edges of clouds and negative charges accumulate along the lower edges. Positive charges also accumulate near the ground. As the size of the accumulated charges increases, the air, which is usually a poor conductor of electricity, cannot withstand their flow. The negative and positive charges collide, creating streaks of bright light and sound.

12.6 Lightning Safety: As discussed in class 8 science chapter 12 NCERT solutions pdf download, In the event of lightning and thunderstorms, no open area is considered secure. Upon hearing a thunderstorm, it is advisable to immediately retreat to a secure location. After hearing the most recent thunder, it is advised to wait for a period of time before emerging from the secure area, lightning conductor is also discussed in this section.

12.7 Earthquakes: As discussed in class 8 science chapter 12 NCERT solutions pdf download Earthquakes, also known as seismic waves, are natural geological events that occur when a large amount of energy is released in the Earth’s crust, resulting in seismic waves. Seismic waves cause the Earth to shake. Seismic events can range from small, undetected tremors to catastrophic events that cause extensive damage and death.

Key Features of Class 8 Science Chapter 12 

• Some objects can be charged by rubbing with other objects. 
• There are two kinds of charges — positive charge and negative charge
• Like charges repel and unlike charges attract each other.
• The electrical charges produced by rubbing are called static charges.
• When charges move, they constitute an electric current. ‹ An electroscope may be used to detect whether a body is charged or not.
• The process of transfer of charge from a charged object to the earth is called earthing.
• The process of electric discharge between clouds and the earth or between different clouds causes lightning. 
• Lightning strike could destroy life and property.
• Installing lightning conductors can help protect buildings from lightning strikes. 
• An earthquake is when the ground suddenly shakes or shakes. 
• It's caused by something deep inside the earth's crust. It's impossible to predict when an earthquake will happen, but it usually happens at the edges of the plates. 
• These areas are called fault zones. The amount of destructive energy an earthquake can have is measured on a scale like the Richter. 
• An earthquake with a Richter scale of 7 or higher can cause serious harm to people and property. 
• We should take steps to protect ourselves from earthquakes.

Benefits of Downloading the PDF of NCERT Solutions Class 8 Science Chapter 12 Some Natural Phenomena

Students and educators can benefit from downloading and using NCERT solutions class 8 science chapter 12 free pdf. Downloading and using the NCERT solutions class 8 science chapter 12 free pdf can help students understand the concepts covered and master the chapter. Below are some benefits of using these solutions:

Clarity & understanding: Each topic and concept in the chapter is explained clearly and concisely. NCERT solutions class 8 science chapter 12 free pdf break down complex concepts into simpler terms so that students can understand the content better.

Complete Coverage: NCERT Solutions for Chapter 12 cover all topics and questions in the textbook. Students can use these solutions to get comprehensive and precise explanations for each concept.

Step-By-Step Solutions: NCERT solutions class 8 science chapter 12 free pdf cover numerical problems as well as practical experiments. Students can use this solution to understand how to solve the problem and how to get the correct answers.

Exam Prep: Use these solutions to get ready for exams, such as school tests or competitive exams. Practicing with the solutions will help you improve your knowledge and solve problems.

Homework Help: Use the NCERT solutions class 8 science chapter 12 free pdf to get help with your homework. Refer to them to check your answers and make sure they are correct.

Frequently Asked Questions

Question 1: What are natural phenomena?

Answer 1: Natural events are things that happen naturally around the world, like lightning, earthquakes, volcanoes, and rain.

Question 2: What causes lightning?

Answer 2: The main cause of lightning is the accumulation of electrical energy within thunderstorms, resulting in the discharge of electricity in the form of lightning flashes.