This Spanish science reader introduces students to the concept of heat energy. With easy-to-read text and detailed, vivid images, this book teaches students important scientific subjects and vocabulary terms like molecule, conductor, and energy. Aligned to state and national standards, the book contains nonfiction text features like an index, a glossary, captions, and bold font to keep students connected to the text. A hands-on science experiment helps students apply what they have learned and develops critical thinking skills.