Science Centers, Grades 3—4 has everything you need for 14 centers to explore science concepts and practice literacy skills. These centers, stored in folders or plastic envelopes, are ideal for small group and individual practice.

The concepts covered include the following:
- science analogies
- outer space
- phases of the moon
- vertebrate or invertebrate?
- taxonomy
- plant parts
- life cycles
- animal adaptations
- simple machines
- human body systems
- Earth's layers
- energy transformation
- states of matter
- food webs