What Causes Rainbows to Appear?
Discover the science behind rainbows: how sunlight, water droplets, and refraction create nature’s colorful arc. Learn the optical magic of rainbows!
Sunlight
What Causes Seasons to Change?
Discover why seasons change due to Earth’s 23.5° tilt and its orbit around the sun. Learn how sunlight variations create summer, winter, spring, and fall.