سوالات علوم نهم

Ninth grade science questions
Includes questions for all courses in the ninth grade experimental science textbook
Science Book Lessons:
Materials and their role in life / The behavior of atoms with each other / Looking for a better environment for life / What is motion / Force / Laminated tectonics / Earth's past / Fasher and its effects / Machines / A look at space / Diversity of living things / The world of plants / Invertebrates / Vertebrates / Living together