Activity 4  
Student Task Card  

Checklist for Job assignments: 

  1. Job assignments (one data recorder, two direction assistants, one presenter) in the cooperative groups should be changed. 
  2. The group should cohesively select 3 items to use for measuring the spheres (i.e. plastic links, large and/or small paper clips, unit blocks, rulers etc.). 
  3. The direction assistants take turns making the measurements. 
  4. The recorder documents the data on worksheet A as the measurements are being taken.
  5. The group collaborates on discoveries they made that are supported by the data.
  6. Answer the following question:  Why does the same sphere have different measurements in this activity?
  7. Place the spheres in size order. 
  8. Compare data from activity 2 to the current data. 
  9. Match the spheres to the planets using the data from activities 2 & 4 and combine with the comparative planet size information from
  10. The group decides how to present the data to the class. 
  11. The presenter makes the presentation. 
Activity Table of Contents