A learning resource in text format containing a wealth of science experiments and problems. - Title: New Elementary School Problem Collection: Entrance Exam Edition, Science, Stage I - Title: New Elementary School Problem Collection: Entrance Exam Edition, Science, Stage II - Title: New Elementary School Problem Collection: Entrance Exam Edition, Science, Stage III - Content: Includes science experiments and problems. - Format: Rich explanations in text format. - Illustrations: Explains experiments and theories with illustrations. I used notes, so there are no markings. There are check marks on areas I found difficult. I used this at cram school, so I highly recommend it. I have cut out the name written on the back of the answer booklet. I have underlined some important parts of the answers. Thank you for viewing. Please understand the above, and consider purchasing.