NOW IN SPANISH! What causes thunder and lightning? How do different clouds form? What makes a tornado twist? Kids will discover the answers to these questons and more in this colourful, photo-packed book. In this inviting and entertaining format, kids will discover what causes the weather they experience every day. This Level 1 Weather reader is written in an easy-to-grasp style to encourage the meteorologists of tomorrow! No matter where you live, the weather is on everybody's minds these days, from the minute we wake up until we go to bed thinking about tomorrow. In this Level 1 Reader, kids discover what causes the weather they experience every day and weather that occurs around the planet.