Process and lab skills Grade 7 /.
- Illinois : McDougal Littell, 2005.
- 66 p : ; 28 cm.
- McDougal Littell Science .
- McDougal Littell Science .
Measuring -- Observing -- Inferring and Hypothesizing -- Designing Experiments -- Organizing and Analayzing Data -- Interpreting and Communicating Results -- Making Models -- Investigating -- Answer Key.
0618413626
Science--Problems, exercises, etc.
Science--Study and Teaching.