🌍 Seasons Change
- Earth's Tilt: Earth is tilted at 23.5° on its axis; this tilt causes seasons.
- Revolution: Earth revolves around the Sun in 365 days; this movement changes sunlight angle.
- Summer: Hemisphere tilted toward the Sun receives more direct sunlight; warmer temperature.
- Winter: Hemisphere tilted away from the Sun receives less sunlight; cooler temperature.
- Spring & Autumn: Transitional seasons; sunlight is moderate and day-night duration is almost equal.
- Importance: Seasons affect crops, weather patterns, and human activities.