The Let's-Read-and-Find-Out Science Readers from HarperCollins are a wonderful way to encourage your child's natural curiosity about the world AND provide an excellent opportunity for reading practice.
Particularly for boys and other reluctant readers, these books can be a real encouragement. You can read all or part of the book out loud to your student and then encourage them to read farther on their own.
Stage 1 books explain simple and easily observable science concepts for preschoolers and kindergarten-age children. There are 20+ Stage 1 books on Plants & Animals (including one on Dinosaurs), 7 on The Human Body and 4 on The World Around Us.
Stage 2 book explore more challenging concepts for children in the primary grades (1-5) and include hands-on activities that children can do themselves. The Stage 2 titles are grouped by topic: Dinosaurs The World Around Us Plants and Animals The Human Body Inventions Our Earth Space Weather and the Seasons