This activity book accompanies Singapore's sold-separately MPH (My Pals are Here) Science Cycles Text for Grades 3 & 4. Featuring a wide variety of challenging and interesting activities from experiments and projects to worksheets and research, these activities develop students' skills while helping them understand the purpose for inquiry. Each activity book includes a review exercise at the end with multiple choice and structured questions. Most of the activities require simple household items or items easily obtained in a grocery or department store. A few activities require more specialized but relatively inexpensive laboratory equipment such as beakers or plastic syringes. This activity book includes worksheets to track mealworms as they transform, seed-planting activities, balancing mass, assessing volume, and more. 35 pages, three-hole-punched. Answers not included; they're found in the sold-separately MPH Science Teacher's Guide Primary 3 & 4, 2nd Edition.