CBSE Class 4 Science – Air, Water, and Weather

Chapter Overview

This chapter helps students understand the properties of air and water, the water cycle, and the impact of weather changes on our surroundings. It also explains the importance of air and water conservation.

Important Keywords

• Evaporation: The process by which water changes into water vapor.
• Condensation: The process of water vapor cooling down to form droplets.
• Precipitation: Water falling from clouds as rain, snow, or hail.
• Water Cycle: The continuous movement of water through evaporation, condensation, and precipitation.
• Humidity: The amount of water vapor in the air.
• Wind: Moving air caused by differences in temperature and pressure.
• Storm: Severe weather conditions like thunderstorms, cyclones, or hurricanes.