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.

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Science--Problems, exercises, etc.
Science--Study and Teaching.