These are weekly reading comprehension passages based on 4th grade Tennessee state standards, but can be easily modified to meet your curriculum needs. Each topic has a reading passage and activities for each of four days to help with comprehension of the topic. On the fifth day, there is an assessment on the topic. In the set you will receive both the pdf and an editable copy (pub) of both the weekly topic passage, topic assessment, keys for the weekly topic passage, and keys for the topic assessment. This set include the Life Science Standards: Cells, Ecosystems, Food Chains, Survival, Reproduction, Life Cycles, Energy Pyramids, Adaptations, Tropisms, and Extinction.