Frogs etc.- Aa.
Golden Book of Chemistry- add that on for Ar.
Paul Fleishman book and The New Way Things Work- C.(and H possibly a bit too with the Fleischer book).
Science Matters- Ar. and H. for an intro to some of the topics
Journey to the Ants- Ar.
Secrets of the Woods- Me to C. and Aa. in 2nd term