Why do volcanoes explode? Can sharks sense electricity? Are there aliens in space? Young readers are fascinated by the strange and surprising--and Science Mysteries lets them explore some of science's most puzzling questions through fun, accessible nonfiction. Each book tackles a real-world mystery using clear explanations and curriculum-aligned content. Vivid images and a helpful diagram will aid in comprehension. Additional features include a table of contents, informational captions and sidebars, critical-thinking questions, Fast Facts, an activity for further learning, a phonetic glossary, an index, information about the author, and sources for further research.