Topic Details (Notes format)

Some Natural Phenomena

Subject: General Science

Book: NCERT Science Class 8

Natural phenomena include lightning, earthquakes, and tsunamis.
- **Lightning**:
- Electric discharge in clouds.
- **Earthquakes**:
- Movement of tectonic plates.
- **Tsunamis**:
- Underwater earthquakes.

**Possible Exam Questions:**
1. How does lightning occur?
2. What are the causes of earthquakes?
3. Explain the impact of tsunamis.
4. How do we measure earthquake intensity?
5. What precautions should be taken during earthquakes?

Practice Questions

Which type of radiation has the shortest wavelength?

Which organ is responsible for detoxifying harmful substances in the human body?

Which process in plants is responsible for the loss of water vapor?

Which gas is most abundant in Earth’s atmosphere?

Which organ regulates blood sugar levels in the human body?

Which process describes the splitting of a nucleus into smaller nuclei?

What is the term for an organism that can make its own food?

What is the chemical formula of methane?

What type of electromagnetic radiation has the longest wavelength?

Which part of the cell contains the genetic material?