This is an excellent review resource for 8th grade science standardized testing. It was developed to follow Texas STAAR testing standards, but it is excellent for tests from other states as well. It includes topics from all STAAR Readiness and Supporting Student Expectations. Broad categories such as Matter and Energy, Organisms and Environment, Force Motion and Energy, and Earth and Space are broken down into 124 topics for review. It can be used to post up on the wall and have students, indivi