Spaceman Sid Can you locate the unknown planet from the clues given? Discipline  Physical Science   Number of Cases 9   Average Solve Time 20 minutes   Grade Level Usage 3   Problem Solving Strategy Compare and Contrast Elimination   Embedded Content Astronomy Planets   Complementary Activities Not Listed In Database   Problem Sample Not Listed In Database   Complementary Problems Not Listed In Database   Creation Date Not Listed In Database   Last Revised Not Listed In Database   Author List B. Peterson, S. Hingorany, D. Chia, J. Salumbides, B. Castello   Standards Alignment Not Listed In Database   Notes Not Listed In Database