What are fog and mist made of? If they're made of water droplets, how did all that water get into the air? What makes up haze? How is it different from fog and mist, and what does it have to do with pollution? Young readers will find out as they learn all about these weather phenomena that can sometimes make it hard to see the world around us! Filled with information perfectly suited to the abilities and interests of an early elementary audience, this colorful, fact-filled title gives readers a chance not only to learn, but also to develop their powers of observation and critical thinking. With its stunning photographs and surprising, high-interest facts, the book makes learning about our weather and air a lively and engaging experience.