Bøger af Kristen Rajczak Nelson

Oil, also known as petroleum, is one of the most significant sources of energy in an energy-hungry world. Every day, more than 80 million barrels of oil are used in people's homes, businesses, and vehicles. This thorough book covers the important processes of this fossil fuel, from its origins and formation to its extraction and refining, aided by perfectly selected photographs. Readers will weigh in on the controversies surrounding oil's use as well as learn of its surprising applications--such as a medicine for ancient Egyptians and in materials that make our clothes.

The first Aquaman comic came out in 1941. Since, he has been one the most popular DC characters ever. Preparing for a role as iconic as Aquaman might be daunting. How did Jason Momoa do it? In this engrossing volume, readers find out not only what led Jason to the role, but also how he physically prepared for it. A concluding timeline summarizes his life and career while fact boxes throughout the book give readers additional tidbits about him and the character of Aquaman. Full-color photographs enhance the hi-lo content.

Assassin bugs are amazing creatures that use their long mouthparts to kill their prey. These ambushing bugs wait on flowers, where other bugs will land while looking for a meal. Unfortunately for them, however, they become the assassin bug's meal. Assassin bugs snatch their prey and drink their body fluids as if through a straw. With vivid photographs showing these creepy killers in action, readers experience the wild world bugs live in where no potential meal is safe.

Glowworms are special kinds of beetles that make their own light. They do this through a cool chemical reaction that takes place in their bodies. Readers learn fascinating facts about these insects through informative text as well as engaging fact boxes. Science concepts such as life cycles are presented in fun ways as readers explore the lives of glowworms and see detailed photographs of these insects. What's the difference between a glowworm and a firefly? The answer is waiting for readers to discover!