CBSE Class 5 Science – Natural Disasters

Chapter Overview

Natural disasters are extreme natural events that cause significant damage to life, property, and the environment. These disasters include earthquakes, floods, cyclones, tsunamis, and volcanic eruptions. Understanding their causes, effects, and safety measures is crucial for minimizing their impact.

Important Keywords

• Epicenter: The point on Earth's surface directly above where an earthquake starts.
• Richter Scale: Measures the magnitude of an earthquake.
• Seismograph: A device that records earthquake tremors.
• Tsunami: Giant ocean waves caused by underwater earthquakes or volcanic activity.
• Volcanic Eruption: The release of magma, ash, and gases from a volcano.
• Storm Surge: A rise in sea level due to cyclones.
• Disaster Management: Steps taken to reduce the effects of disasters.