Puddle Questions for Science Grade 2 Performance Assessment Investigations Author:Heather McDonald, Joan Westley Puddle Questions are open-ended investigations that are used to assess how students think, solve problems, and communicate ideas. This series gets students doing what scientists do: making careful observations, gathering data, conducting research, creating classification systems, designing experiments, and interpreting results. Teachers learn ho... more »w their students think and process information. And they gather a rich portfolio of student work and assessment information for future planning. Student worksheets are provided in English as well as Spanish« less