Describes various types of lightning and explains what causes lightning.

Updated for 2012 and part of the Britannica Learning Library Series, in Science and Nature, you will learn about weather, meet fascinating scientists, and see how plants and animals can change over time.

In Mimicking Nature's Fire, forest ecologists Stephen Arno and Carl Fiedler present practical solutions to the pervasive problem of deteriorating forest conditions in western North America.

Her devout Catholic family taught her to believe and trust in Divine intervention, but when God did not intervene to save her twenty-four year old detached-at-birth twin sister from leukemia she walks away from her religion and is on the eve of destruction. After meeting Fib whose parents named him after their much-loved mathematician and as a result grew up obsessed with the Divine proportion, she postpones her appointment with death. And when he shows her the correlation between the Fibonacci theory and nature and that in fact Mother Nature is not only kind but also showers us with wonders all beautifully created in Divine proportion just like her face, she casts aside all thoughts of suicide. She regains her faith and a fiery love affair ensues that is thought to last not a day shorter than forever, but when she too is diagnosed with leukemia Fib sets his own appointment with death.

The Guided Reading: Visualize resource book for third and fourth grades features 36 readers—six sets of two each for below-, on-, and above-level student readers. Filled with charts and photos, it enhances group lessons with informational text about flight, storms, sports, Egypt, coral, and more. Guided Reading: Visualize provides you with a comprehensive guided reading resource. This book includes: -discussion guides -leveled readers with intriguing topics -prompts to encourage students to work with the text and text features -graphic organizers and an observation sheet Separated into three readability levels, informational readers capture students’ attention with appealing topics, graphic charts, colorful photos, and detailed maps. Students are encouraged to apply guided reading strategies to the text and complete writing prompts to reflect on what they learned. The 12-book Ready to Go: Guided Reading series for grades 1–6 helps you with guided reading organization by providing an all-in-one set. These 80-page reading comprehension resource books feature three reproducible pages, six discussion guides, and 36 readers. Each grade span includes four books, focusing on the following comprehension strategies: -Analyze -Determine Importance -Synthesize -Visualize These resource books contain short nonfiction texts and text features such as photographs, charts, maps, and callout boxes to keep students interested in reading.