Primary 4 Science Tests is carefully crafted based on the new 2023 Primary Science syllabus issued by the Ministry of Education, Singapore. The questions in this book test pupils’ understanding of Science concepts. Higher-order thinking questions and experiment-centred questions will prepare pupils for school weighted assessments. Useful Science keywords and phrases are highlighted in the answers to guide pupils on how to score well in their tests and examinations. A marking scheme is provided to assess pupils’ learning.