Mix it up with this investigation into compounds and mixtures. Following scientific practices, this title presents a hands-on, inquiry-based science investigation. Age-appropriate experiments build students' understanding of matter and energy. Activities for further learning Glossary of key words Index Table of contents The Science Investigations series centers scientific inquiry by providing readers with hands-on experiences with the world around them. These books use scientific and engineering practices to investigate everything from the planet beneath our feet to the forces all around us. Topics include matter and its properties; force, motion, and energy; Earth and space; and organisms and environments. Readers are encouraged to think like scientists as they ask questions, gather information, and conduct experiments.