Science Commonly tested and Challenging Exam Questions is specially tailored to provide pupils with ample practice on PSLE-style questions which are adapted from Singapore's top primary schools. The practices are arranged topically to facilitate pupils' mastering of frequently-tested Science concepts in an orderly manner. Each chapter in the book comprises two main sections.

- Commonly-tested questions: Pupils gain more exposure to commonly-tested Science concepts to reinforce their understanding better.
- Challenging questions: Help pupils develop their higher-order thinking skills and apply Science concepts correctly.